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Lack of fresh water is an ongoing problem in the outposts

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by AnuGmat » Wed Mar 02, 2016 3:24 pm
Lack of fresh water is an ongoing problem in the outposts, and it is expected to continue until reinforcements arrive.

A. Lack of fresh water is an ongoing problem in the outposts, and it is expected to continue until reinforcements arrive.
B. Lack of fresh water is an ongoing problem in the outposts, which was expected to continue until reinforcements arrive.
C. Lack of fresh water is an ongoing problem in the outposts, and they are expected to continue until reinforcements arrive.
D. The outposts lack fresh water, a problem that is expected to continue until reinforcements arrive.
E. The outposts have a lack of fresh water, a problem expected to continue until reinforcements arrive

Source ;gmat club tests.

OA : E
I dont understand why D is wrong here..Official explanation says , In D 'problem' refers to fresh water.Is this correct? Noun-noun modifiers can modify the clause right ?

Please help.
are gmat club test verbal questions recommended? I find lots of ambiguity (not sure if its because of the gap in my knowledge ) in those questions..
Please advice .
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by MartyMurray » Thu Apr 07, 2016 4:52 pm
AnuGmat wrote:I dont understand why D is wrong here..Official explanation says , In D 'problem' refers to fresh water.Is this correct? Noun-noun modifiers can modify the clause right?
Your analysis is correct, and answer D is fine.
are gmat club test verbal questions recommended? I find lots of ambiguity (not sure if its because of the gap in my knowledge ) in those questions..
Please advice.
GMAT Club Test verbal questions are of mixed quality. Some you can learn from. Some are not great. Some, like the one above, are worse than useless in that what they purport to teach is not correct.
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by Gaurav Mittal » Wed Apr 13, 2016 12:36 am
E seems incorrect to me.
Any idea why A is incorrect though? Is it due to comma put before and?
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by MartyMurray » Wed Apr 13, 2016 2:41 am
In A the comma is fine. Before the comma is an independent clause, and after the comma is a dependent clause that starts with a conjunction.

Also, commas can be used for emphasis. So that a comma is placed somewhere is not really grounds for saying that a sentence is incorrectly constructed.

I don't see any real issue in A.
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