10.
Youngfemale ballet dancers and gymnasts sometimes fail to maintain good eatinghabits caused by the desire to be as thin as possible.
(A) Young femaleballet dancers and gymnasts sometimes fail to maintain good eating habitscaused by the desire to be as thin as possible.
(B) Good eatinghabits sometimes fail to be maintained by young female ballet dancers andgymnasts caused by desiring to be as thin as possible.
(C) Because theydesire to be as thin as possible, good eating habits are sometimes notmaintained by young female ballet dancers and gymnasts.
(D) Because theydesire to be as thin as possible, young female ballet dancers and gymnastssometimes fail to maintain good eating habits.（D）
(E) Young femaleballet dancers and gymnasts sometimes fail to maintain good eating habitsbecause they desire to be as thin as possible.
答案是D，我选的E，做的时候就不知道D和E有啥区别。个人感觉这种题GMAT不会考吧，这个区别太细微了吧，还是有什么别的原因呢？

D 和 E 两个都对。两句虽然有很细微的分别，但这只是风格的不同，要看语境才能够看得出是否一句比另一句更好。但是更多时间只是作者的选择而已，绝对不是其中一句有语法错误。

got it. thanks