prep 100 请教

100. In an effort to increase profits, the company moved itself from emphasizing its chemicals business to expand into high-growth pharmaceuticals and futuristic biotechnologies.

A. itself from emphasizing its chemicals business to expand

B. itself from emphasizing its chemicals business then to expanding

C. from an emphasis on its chemicals business and to expanding

D. from an emphasis on its chemicals business and to expand

E. from emphasizing its chemicals business to expanding

A: move itself 多余；from … to …不平行

B: 同上；then 表达了和from to重复的先后次序意思

C: from … and to 不平行

D: 同上

E: correct

这道题题不难，但是有一点不大理解，那就是from emphasizing------------to expanding-----,介词后面接的是ving，这不正好是GMAC所不偏好的么，这一点怎么解释了？？？？

emphasize没有自己的抽象名字，不得已用动名词。

主要考察平行结构。