Kindly help asap

[akshay1010]

Dear Friends
I know that there is a chance that this passage might be a bit above the level of Gmat but kindly help as it may bolster your prepration too

[sujaysolanki]

is it E ??

[akshay1010]

Kindly explain ur reasons for selecting this answer and rejecting the others..............................i feel the answer should be either D or A.....................