题目内容

—Could I have a word with you，mum?
—Oh，dear，if you ________.
A．canB．must
C．mayD．should
　B
解析　此处must表示“执意，偏要”，带有感情色彩，符合题意。can表示能力、许可、可能性；may表示可能性、许可；should表示义务和较大的可能性。
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