GMAT prep <depression therapy>

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Source: — Sentence Correction |

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by cramya » Tue Jun 23, 2009 7:21 pm
Parallelism

OR gives us a clue

having been prescribed
having been taken

A

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by aj5105 » Tue Jun 23, 2009 7:57 pm
What 'they' refers to in (E) is ambiguous.

'they' can refer to therapies or patients.

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by ghacker » Tue Jun 23, 2009 10:36 pm
there is also an issue with punctuation

Main clause , coordinating conjunction(or)+main clause

or Item+0+coordinating conjunction(or) +Item

the second one is correct for this case

Core idea is : Some patients ...................... have received inadequate treatment

To describe what inadequate treatment is the author uses having ................................................ ( he gives two examples or Items )

Answer is A

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by vaishalijain7 » Wed Jun 24, 2009 6:39 am
I have a general question that when to use 'have been' and when 'having been'. what's the difference between two?

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