1. 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（A）
(E) with the aim to decrease operating costs and to improve
aim at 的用法到底怎样啊？为什么又变成形容词了呢？
如果 是动词。是主动还是被动？
被动
得加游啊!!!
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