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A piece of limestone

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by gmatIntent » Mon Jul 11, 2011 1:30 am
A piece of limestone discovered in sedimentary deposits near Gubbio, Italy, in 1979 provided the first evidence that the extinction of dinosaurs has possibly been caused by a meteorite impacting.

A. that the extinction of dinosaurs has possibly been caused by a meteorite impacting
B. that the extinction of dinosaurs may have been caused by a meteorite impact
C. of the extinction of dinosaurs being caused by the impact of a meteorite
D. of how possible it is that the extinction of dinosaurs could have been caused by a meterorite impact
E. that the cause of the extinction of the dinosaurs is probably a meteorite impact

Source: 800Score

Managed to narrow down 2 choices.However, not sure how to eliminate one of them.
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by blackjack » Tue Jul 12, 2011 7:19 am
B? OA?
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by SIDHARTH » Tue Jul 12, 2011 9:06 am
I think C is the Answer.
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by aspirant2011 » Tue Jul 12, 2011 9:21 am
gmatIntent wrote:A piece of limestone discovered in sedimentary deposits near Gubbio, Italy, in 1979 provided the first evidence that the extinction of dinosaurs has possibly been caused by a meteorite impacting.

A. that the extinction of dinosaurs has possibly been caused by a meteorite impacting
B. that the extinction of dinosaurs may have been caused by a meteorite impact
C. of the extinction of dinosaurs being caused by the impact of a meteorite
D. of how possible it is that the extinction of dinosaurs could have been caused by a meterorite impact
E. that the cause of the extinction of the dinosaurs is probably a meteorite impact

Source: 800Score

Managed to narrow down 2 choices.However, not sure how to eliminate one of them.
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by gmatIntent » Wed Jul 13, 2011 11:26 am
[spoiler]OA : B[/spoiler]
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by gaurav1083 » Sun Jul 17, 2011 3:41 pm
In B, Is usage of have is correct? Could someone please explain?
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by ColumbiaVC » Sun Jul 17, 2011 4:27 pm
Confused btw C and E
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by sandy217 » Sun Jul 17, 2011 8:31 pm
aspirant2011 wrote:
gmatIntent wrote:A piece of limestone discovered in sedimentary deposits near Gubbio, Italy, in 1979 provided the first evidence that the extinction of dinosaurs has possibly been caused by a meteorite impacting.

A. that the extinction of dinosaurs has possibly been caused by a meteorite impacting
B. that the extinction of dinosaurs may have been caused by a meteorite impact
C. of the extinction of dinosaurs being caused by the impact of a meteorite
D. of how possible it is that the extinction of dinosaurs could have been caused by a meterorite impact
E. that the cause of the extinction of the dinosaurs is probably a meteorite impact

Source: 800Score

Managed to narrow down 2 choices.However, not sure how to eliminate one of them.
What do u think is the problem with "is probably" in choice E. My reason to eliminate is the construction "the cause of the extinction of the dinosaurs".
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by Empirestateofmind » Sun Jul 17, 2011 10:43 pm
B as well for me.
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by aspirant2011 » Mon Jul 18, 2011 7:02 am
sandy217 wrote:
aspirant2011 wrote:
gmatIntent wrote:A piece of limestone discovered in sedimentary deposits near Gubbio, Italy, in 1979 provided the first evidence that the extinction of dinosaurs has possibly been caused by a meteorite impacting.

A. that the extinction of dinosaurs has possibly been caused by a meteorite impacting
B. that the extinction of dinosaurs may have been caused by a meteorite impact
C. of the extinction of dinosaurs being caused by the impact of a meteorite
D. of how possible it is that the extinction of dinosaurs could have been caused by a meterorite impact
E. that the cause of the extinction of the dinosaurs is probably a meteorite impact

Source: 800Score

Managed to narrow down 2 choices.However, not sure how to eliminate one of them.
What do u think is the problem with "is probably" in choice E. My reason to eliminate is the construction "the cause of the extinction of the dinosaurs".
Word is probably means that the extinction recently happened but the extinction occurred well in the past.
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by Target2009 » Mon Jul 18, 2011 7:08 am
+1 B
Regards
Abhishek
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MasterGmat Student
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