I find difficult to get to sleep because the man upstairs made much noise.A. itB. thisC. t

问题补充：

I find difficult to get to sleep because the man upstairs made much noise.

A. it

B. this

C. that

D. him

答案：

(答案→)A. it

B. this

C. that

D. him

解析：考查it作形式宾语。真正的宾语是to get to sleep。选A。