Michael be a policeman for he is much too short.A. needn’tB. can’tC. shouldD. may

问题补充：

Michael be a policeman, for he is much too short.

A. needn’t

B. can’t

C. should

D. may

答案：

A. needn’t

B. can’t

C. should

D. may

解析：从第二个分句“他太矮了”可以推知说话者持否定态度，needn’t意思是“没有必要”，与语境不符。