A. is wrong because in the modifier, a verb is compared to an adjective
B should be avoid right away coz AS A FACT, according to GMAXonline.com, 99% of the use of "being" in GMATland is wrong!
C is wrong for the same reason to A
D looks okie.
E. the insertion of "in a manner" makes this choice wrong coz "adeptly" is no more an adverb for "handled"
D it is.
OA is D. Can't provide a better OE than laxieqv's
SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008