【题目】Don't be ________ by his rude remarks. He's really very kind underneath.
A.dropped off
B.sent off
C.put off
D.let off

【答案】C
【解析】考查动词词组。句意：别介意他说话鲁莽，其实他心地很善良。A. dropped off”减少“；B. sent off”寄出“；C. put off”推迟；扔掉；阻止“；D. let off”放出“。C项符合语境。