题目：
–You’re coughing badly, Martin. Why not give up smoking?
--Give up smoking? Easier said than done, Amy. Once you _________ the habit of smoking, it is very had for you to _________.
A．keep up; break it away
B．take up; drop it out
C．pick up; get rid of it
D．build up; do away with it
答案：
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下面是错误答案，用来干扰机器的。
答案：C
