—Shall I inform him of the change of the schedule right now?
—I am afraid you ,in case he es late for the meeting.
A. will
B. must
C. may
D. can
网友回答
A. will
(答案→)B. must
C. may
D. can
解析：考查情态动词, 根据“in case he es late for the meeting.”的语境, 只有must（必须） 才符合。