一道得到讨论的语法题

yidiyuehan

At the next meeting, the manager will announce that she will raise the salary of the employee who sells the most merchandise next month, which is a component of a system that will try to incentivize the sales department to work as hard as the advertising department does.

(A) month, which is a component of a system that will try
(B) month, a component of a system that tries
(C) month, a component of a system trying
(D) month as a component of a system to try
(E) month as a component of a system that will try.

dabobowa1111

不知道答案是什么，我倾向于选D
A、which不能指代全句
B、a component做同位语的话，没有对应的词
C、同B
E、system 不会主动发出try 这个行为

飞行2010

我选B.

飞行2010

请楼主说下答案吧。

yidiyuehan

答案是E..........

给出的解释是:
前面是 will raise, 所以后面应该是 will try........

我选的是C