He realized she was crying [ ]what he had sad. 【说一下原因】A,because B_英语解答

He realized she was crying [ ]what he had sad. 【说一下原因】
A,because B,because of C,asD,since

人气：371 ℃　时间：2019-11-11 21:24:44

解答

B what he had sad.做从句,what是连接词,不用because,as ,since ,只能用because of ,让what 引导的从句作介词宾语.