We’d better when he is thinking, as he prefers to solve problems on his own.
- A.let him down
- B.cheer him up
- C.leave him alone
- D.ring him up
答案
正确答案：C
知识点：动词短语
后半句说“他喜欢独自解决问题”可知前半句是说“当他思考问题的时候不要去打扰他”。leave sb．alone意为“不打扰某人；让某人独自呆着”。而A项意为“让某人失望”；B项意为“使某人振作”；D项意为“给某人打电话”。所以答案选C。
略
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