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
Answer is A
I did not understand Kaplan's explanation.
Kaplan's explanation for D:
(D) creates an error by altering that clause so that it no longer acts as a modifier
Which cannot be used to modify?
Please explain. Thank you so much!
(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
Answer is A
I did not understand Kaplan's explanation.
Kaplan's explanation for D:
(D) creates an error by altering that clause so that it no longer acts as a modifier
Which cannot be used to modify?
Please explain. Thank you so much!
Last edited by sparkles3144 on Tue Apr 22, 2014 3:50 pm, edited 3 times in total.
