He knew his daughter was crying what he had said.A. because B. because of C. withD. since

问题补充：

He knew his daughter was crying what he had said.

A. because

B. because of

C. with

D. since

答案：

A. because

(答案→)B. because of

C. with

D. since

解析：考查介词。because 作为连词后面是一个完整的句子。what he had said 作为一个单词，作为宾语，故用介词because of。句意：他知道他的女儿在哭，因为他所说的。