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by [email protected] » Wed May 16, 2012 3:27 am
Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and is giving protection to the continent's ecozone.

A] which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and is giving protection to the continent's eco-zone.

B] which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone.

C] which, had being signed in 1959 by 12 countries, prohibits any military activity, supports scientific research, and protects the continent's ecozone.

D] which was signed in 1959 by 12 countries prohibiting any military action, and supporting scientific research and the continent's resource protection.

E] having been signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone.


[spoiler]
The OA is B.[/spoiler]

in the option E, 'having been' simply changes the meaning of the sentence and also is not required.
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by Birottam Dutta » Wed May 16, 2012 8:48 am
Was signed is correct in this sentence and the parallelism prohibits....supports...protects, is correct.

Therefore, B,
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by ice_rush » Wed May 16, 2012 9:00 am
(B) it is.
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by joshmachine » Wed May 16, 2012 9:03 am
Although B is the best available option.

But, prohibits....supports...protects make it look like treaty does all 3 things. Wouldn't it be better if sentence is structured something as

... Antarctic Treaty, which was signed in 1959 by 12 countries, prohibits any military activity and supports scientific research, protecting the continent's ecozone.

The logic is the first two actions (prohibits & supports) cause the third one.
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by patanjali.purpose » Wed May 16, 2012 9:12 am
[email protected] wrote:Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and is giving protection to the continent's ecozone.

B] which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone.

E] having been signed in 1959 by 12 countries and prohibits any military activity, supports scientific research, and protects the continent's ecozone.


[spoiler]
The OA is B.[/spoiler]

in the option E, 'having been' simply changes the meaning of the sentence and also is not required.
By removing relative clause (WHICH..) sentence changes the intended meaning:

Human activity on the continent of Antarctica is regulated by the Antarctic Treaty,{having been signed in 1959 by 12 countries and prohibits any military activity, }supports scientific research, and protects the continent's ecozone.

Part {x} is a modifier and so E is:
Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, .., supports scientific research, and protects the continent's ecozone

That is:
Human activity..is regulated BY Y/.., .., supports scientific research, and protects the continent's ecozone. This means HUMAN ACTIVTY is SUPPORTING AND PROTECTING when the intended meaning is TREATY DOES SO. Therefor E is wrong.

Many other problems in E (one for example):

HAVING BEEN SIGNED ...AND PROTECTS..(not parallel)
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