everybody knows about it I don’t want to talk any more.A. ForB. EvenC. SinceD. However

问题补充：

everybody knows about it, I don’t want to talk any more.

A. For

B. Even

C. Since

D. However

答案：

A. For

B. Even

(答案→)C. Since

D. However

解析： 四个选项分别表示为了、甚至、由于和无论如何，根据题意选A，由于每个人都都知道，我不想在多说了。