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Endrocrinology

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by gmatIntent » Mon Jul 11, 2011 1:33 am
Endrocrinology, the field of medicine concerned with hormones and the endocrine glands, dates back to the nineteenth century, and Thomas Addison's linking of anemia to a disorder of the adrenal glands.

A. and Thomas Addison's linking of
B. and the linking by Thomas Addison of
C. Thomas Addison having linked
D. the times when Thomas Addison linked
E. when Thomas Addison linked

Source: 800Score
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by Frankenstein » Tue Jul 12, 2011 2:00 am
Hi,
Endocrinology dates back to the nineteenth century, ...
The part after comma should describe the period of 19th century. So, only D,E can be used.
I think 'when' is used doe a specific point of time rather than a period of time. So, I think D is better.
Hence, D
Can you post OA?
Expert comments would be appreciated!
Cheers!

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by gsinghal » Tue Jul 12, 2011 3:16 am
IMO E

I think in D the times and when are redundant. Experts help appreciated.


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by gmat25 » Tue Jul 12, 2011 3:42 am
IMO E
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by mdavidm_531 » Tue Jul 12, 2011 3:46 am
Endrocrinology, the field of medicine concerned with hormones and the endocrine glands, dates back to the nineteenth century, and Thomas Addison's linking of anemia to a disorder of the adrenal glands.

First step: 3-2 Split:
A. and Thomas Addison's linking of
B. and the linking by Thomas Addison of
C. Thomas Addison having linked

D. the times when Thomas Addison linked
E. when Thomas Addison linked

Second step: Concision
D. the times when Thomas Addison linked

E. when Thomas Addison linked
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by gmatIntent » Tue Jul 12, 2011 9:08 am
OA is E
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by rveeraga » Tue Jul 12, 2011 6:46 pm
In the answer choice D, the times is redundant with the nineteenth century.

You would consider:
dates back to the nineteenth century, when
or
dates back to the times when

(The usage of the times in the later, however, is not formal. I think one uses the times, when one is not sure about time period or talks about things such as memories)
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by navami » Wed Jul 13, 2011 4:38 am
As already mentioned Looks like disparity in the ans choice.

c. falling employment rates triggered by a drop in investment, causing cutbacks in consumer spending and starting a cycle of layoffs that lead to even lower employment rates.
is the correct choice.
This time no looking back!!!
Navami
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