The Sports Medicine Programs of theOlympic Training Center, a complex where final tryouts are held for athletesrepresenting the United States in the Olympics, is geared toward enhancingathletes' performance and toward their preparation for internationalcompetition.

(A) is geared toward enhancingathletes' performance and towardtheir preparation

(B) is geared to enhance theperformance of athletes and to prepare them

(C) are geared to enhance athletes' performance andtheir preparation

(D) are geared toward the enhancement of athletes'performance and toward preparing them

(E) aregeared toward enhancing the performance of athletes and preparing them

OA: E

这道题我首先选的是B，因为觉得同位语是单数，排除CDE，B用to表示动作目的。

看了最后的标准答案后，有几个疑问，请明白的朋友帮忙解答：1、gear这个词后面应该接哪个介词，to还是toward？2、如果是toward，那么D又为什么错误？