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Kaplan SC: correct ans but explanation seems to be wrong.

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Kaplan SC: correct ans but explanation seems to be wrong.

by vikram4689 » Mon Jun 20, 2011 5:25 pm
Declining revenues resulting from a decrease in business travel, a source of income without which most commercial airlines could not survive, are going to force many commercial airlines to increase prices and decrease services in the coming months.
(A) a source of income without which most commercial airlines could not survive, are
(B) a source of income without which most commercial airlines could not survive, is
(C) and most commercial airlines use it as a source of income to survive with, are
(D) which is a source of income which is needed by most commercial airlines who could not survive without it, are
(E) which most commercial airlines use as a source of income without which they are unable to survive, is

Kaplan says that D does not acts as a modifier. IMO it acts as a relative pronoun modifier and correctly modifier "business travel" though there are other problems with this option and io agree correct ans is A.
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by sameerballani » Mon Jun 20, 2011 8:06 pm
vikram4689 wrote:Declining revenues resulting from a decrease in business travel, a source of income without which most commercial airlines could not survive, are going to force many commercial airlines to increase prices and decrease services in the coming months.
(A) a source of income without which most commercial airlines could not survive, are
(B) a source of income without which most commercial airlines could not survive, is
(C) and most commercial airlines use it as a source of income to survive with, are
(D) which is a source of income which is needed by most commercial airlines who could not survive without it, are -- CHANGES THE MEANING/WORDY...
(E) which most commercial airlines use as a source of income without which they are unable to survive, is

IMO:A

Kaplan says that D does not acts as a modifier. IMO it acts as a relative pronoun modifier and correctly modifier "business travel" though there are other problems with this option and io agree correct ans is A.
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by ov25 » Mon Jun 20, 2011 8:10 pm
How about E

agreement and modification issues predominate this qn. A suffers from modification issue -- ambiguous whether modifying 'declining revenues' or 'business travel'...B has agreement issues...E correctly addresses both
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by sameerballani » Mon Jun 20, 2011 9:25 pm
ov25 wrote:How about E

agreement and modification issues predominate this qn. A suffers from modification issue -- ambiguous whether modifying 'declining revenues' or 'business travel'...
I feel in option A, it clearly modifies business travel.

the agreement issue is present not only in B but also in E.
the part within comma is a non essential modifier.

Declining revenues resulting from a decrease in business travel , a source of income without which most commercial airlines could not survive, are going to force many commercial airlines to increase prices and decrease services in the coming months.
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by soniamba » Mon Jun 20, 2011 10:11 pm
Declining revenues resulting from a decrease in business travel, a source of income without which most commercial airlines could not survive, are going to force many commercial airlines to increase prices and decrease services in the coming months

(A) a source of income without which most commercial airlines could not survive, are
"are" is correctly used for Declining revenues also "a source of income without which most commercial airlines could not survive" correctly modifies business travel
(B) a source of income without which most commercial airlines could not survive, is - "is" does not agree with Declining revenues
(C) and most commercial airlines use it as a source of income to survive with, are
"and" is unnecessary and distorts the meaning
(D) which is a source of income which is needed by most commercial airlines who could not survive without it, are
who is used for airlines - wrong
which is - not required
(E) which most commercial airlines use as a source of income without which they are unable to survive, is
"is" does not agree with Declining revenues

Hope this helps!
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