—Shall I inform him of the change of the schedule right now?
—I am afraid you _______,in case he comes late for the meeting.
A．willB．mustC．mayD．can
B
考查情態(tài)動(dòng)詞, 根據(jù)“in case he comes late for the meeting.”的語境, 只有must（必須） 才符合。
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