题目

—How did it _______ that you made so many mistakes in your homework?—I myself have had no idea about it.A.bring about B.come about C.come across D.occur to 答案：【答案】B【解析】考查动词短语辨析。句意：——你在作业中犯了如此多的错误，这是怎么回事？——我自己真不知道。A. bring about导致，引起；B. come about发生，产生；C. come across偶遇；D. occur to被想起。 come about表示“发生、产生”，多指事情已经发生了，但还不知道为什么，常用于疑问句和否定句，