问题描述：
一道英语单选
_____he have been chosen as captain of the football team?
Yes,he_____.
A.Can;must have B.Must;must have C.Can;must D.Must;must
_____he have been chosen as captain of the football team?
Yes,he_____.
A.Can;must have B.Must;must have C.Can;must D.Must;must
问题解答：
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