--Isn't that Dick playing football?--It ________ be.He got his l

--Isn't that Dick playing football?--It ________ be.He got his leg broken yesterday.
A、wouldn't
B、mustn't
C、rather not
D、can't
【正确答案】:D
【题目解析】:根据He got his leg broken yesterday. 可推断不是Dick在踢足球,空格表示 不可能,选D