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# SC "having" ok

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Manager
Joined: 22 Jun 2008
Posts: 102
Schools: Darden School of Business (Class of 2012)

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19 Aug 2008, 11:27
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Hi guys can someone explain why "having" is correct here? Many tks.

Some patients who do not respond to therapies for depression may simple have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.

b) having, for example a drug prescription that was ineffective because the dosage was too low, or being
c)as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being
d) when they have, for example, been prescribed too low a drug dosage to be effective, or were
e) for example, when they have a drug prescription with a dosage too low to low to be effective, or been
Manager
Joined: 25 May 2008
Posts: 190

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19 Aug 2008, 11:38
I have the same problem: this kind of exercises. In that case i think that A is the good answer because of its parallelism: having been prescribed- having been taken.
Director
Joined: 30 Jun 2007
Posts: 786

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19 Aug 2008, 11:47
In the above example all other choices have some issues except A.

B: It cannot point to therapies
C: being usage
D and E: they – patients or therapies

A: parallel ok and correct passive usage (no need to mention who prescribed ect)
Director
Joined: 10 Sep 2007
Posts: 938

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19 Aug 2008, 15:00
As pointed out earlier, "having" is not only parallel but also it is acting as subordinate clause to the main verb.
Re: SC "having" ok   [#permalink] 19 Aug 2008, 15:00
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