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Expert replies
by captcha » Thu Apr 28, 2011 4:01 am
Researchers have announced that the magnetic fields emitted by one manufacturer’s
security surveillance system, of which type there are 200,000 worldwide, can
interfere with pacemakers and that
this interaction can bring on missed or irregular
heartbeats, nausea, breathlessness, dizziness, and even fainting.
A. of which type there are 200,000 worldwide, can interfere with pacemakers and that
B. of which, worldwide, there are 200,000 of that type, and which can interfere with
pacemakers, and
C. of which type there are 200,000 worldwide, they can interfere with pacemakers and
D. 200,000 of which type exist worldwide, interfering with pacemakers, and
E. 200,000 of that type existing worldwide and can interfere with pacemakers, and
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Source: — Sentence Correction |

by AIM GMAT » Thu Apr 28, 2011 4:10 am
IMO A .

Comma is giving me scare .... :) .

A for parallel structure "... that ......... that ... "
Thanks & Regards,
AIM GMAT
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by bohemian86 » Thu Apr 28, 2011 4:45 am
the answer should be A
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by champmag » Thu Apr 28, 2011 5:14 am
+1 for A. that...that for parallelism.
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by atulmangal » Thu Apr 28, 2011 6:15 am
AIM GMAT wrote:IMO A .

Comma is giving me scare .... :) .

A for parallel structure "... that ......... that ... "
AIM, what if we put THAT in Op D after AND...????
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by AIM GMAT » Thu Apr 28, 2011 7:32 am
atulmangal wrote:
AIM GMAT wrote:IMO A .

Comma is giving me scare .... :) .

A for parallel structure "... that ......... that ... "
AIM, what if we put THAT in Op D after AND...????

Yep Atul if we put THAT after AND in option D , would be a good option , we will have to remove the comma after "pacemaker " .

...that ......200,000 of which type exist worldwide, interfering with pacemakers and that ....
Thanks & Regards,
AIM GMAT
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by rjkaufman » Thu Apr 28, 2011 10:49 am
AIM, I don't think that is correct. If you remove the clause you can see that 'interfering' doesn't work in this sentence:

Researchers have announced that the magnetic fields emitted by one manufacturer’s
security surveillance system...interfering with pacemakers...
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