ambiguous pronoun it mgmat qb Cotton Gin

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Last edited by mundasingh123 on Mon Sep 19, 2011 10:49 am, edited 1 time in total.
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by cans » Mon Sep 19, 2011 10:35 am
A) is incorrect because of had turned cotton... (past perfect is not required)
B) having been one of the.... is incorrect...
D) 'it' doesn't have proper reference. (whereas 'it' had..)
C and E , don't know.
C) however costly previously looks weird and in E) being looks bad..
will pick E,
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by GmatKiss » Mon Sep 19, 2011 10:41 am
mundasingh123 wrote:The invention of the cotton gin, being one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that.


A being one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that

B having been one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable commodity, costly previously
C one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable"what", however costly previously, commodity
D one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable commodity, whereas it had previously been costly
E being one of the most significant developments of the nineteenth century, turned cotton cloth from a previously costly commodity to an affordable one
In D , isnt it ambiguous ?
IMO: D