Automobile Manufacturer!

[gmat_perfect]

One automobile manufacturer has announced plans to increase the average fuel efficiency of its sport utility vehicles by 25 percent over the next five years, amounting to roughly five miles per gallon, and representing the first significant change in the fuel efficiency of any class of passenger vehicle in almost two decades.

(A) amounting to roughly five miles per gallon, and representing
(B) amounting to roughly five miles per gallon, and it would represent
(C) an increase that would amount to roughly five miles per gallon and it would represent
(D) an increase that would amount to roughly five miles per gallon and would represent
(E) which is an increase amounting to roughly five miles per gallon, representing

[spoiler]OA: D[/spoiler]

[ashish2104]

IMO D.

this question is testing modifier and parallelism issue.

Modifier: efficiency is being modified in this sentence. hence, an increase appropriately modifies efficiency.

Parallelism: that would amount parallels that would represent

[adi_800]

Why C is wrong? Do we have ambiguous pronoun reference here?
N I think D should have 'that' so that an increase that would parallel that would represent.

Please explain why D is wrong.

[reply2spg]

Problem with C is 'it' does not have clear reference

I agree that D needs that, but D is the best option among all 5

Why C is wrong? Do we have ambiguous pronoun reference here?
N I think D should have 'that' so that an increase that would parallel that would represent.

Please explain why D is wrong.

[frank1]

how did i approached it
2 2 1 split
A B out amouting -not quite right
E-which .....not good
C and D left
in C 'it' could refer to company itself ....not the development...
so D wins

[outreach]

nice explanation
https://www.manhattangmat.com/forums/one ... t3562.html