I vaguely remember-something like that. A.him having said B.

I vaguely remember_something like that.
A.him having said B.his saying C.that he had said
选项是A.
此题考察【动名词的复合结构做remember的宾语】,即：remember sb/sb’ doing sth这个用法.
如果选C,应该用【现在完成时that he has said】