og11-25 purple book

25. The Baldrick Manufacturing Company has for several years followed a policy aimed at decreasing operating costs and improving．the efficiency of its distribution system．

(A)  aimed at decreasing operating costs and improving 

(B)  aimed at the decreasing of operating costs and to improve

(C)  aiming at the decreasing of operating costs and improving

(D)  the aim of which is the decreasing of operating costs and improving

(E)  with the aim to decrease operating costs and to improve

Parallelism

This correct sentence uses the grammatically parallel elements decreasing and improving to describe the two aims of the company’s policy．

A  Correct．Decreasing and improving are grammatically parallel；aimed at is a correct and concise expression．

B  The decreasing and to improve are not parallel．

C  Using the before decreasing creates a gerund，which is not parallel to the participle improving．

D  The aim of which is awkward and word．y the decreasing is not parallel to improving．

E  With the aim to is not the correct idiom；the correct idiom is with the aim of followed by an-ing form such as decreasing．

The correct answer is A．

I don't understand why aimed?why not "aiming "I remember the other Og11 book said "ing"or "that +verb"modifies the noun. I am so confused!

Please help me !thank you!

看看置顶的帖子的讨论贴, 然后看看OG11跟OG10题目的对照,找到具体的题目,然后就看看讨论,很齐全.因为基本上所有问题都有很详细和深刻的讨论了,花花时间看看受益不少的.

加油.