---It took me ten years to build up my business, and it almost killed me．---Well, you know what they say．________．A.There is no smoke without fireB.Practice makes perfectC.All roads lead to RomeD.No pains, no gains
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D解析此题考查的是一些谚语的含义。A项意为“无风不起浪”；B项意为“熟能生巧”；C项意为“条条大道通罗马”；D项意为“不劳无获(一分耕耘，一分收获)”。原句中说话者在抱怨做生意累，另一个人安慰他说一分耕耘，一分收获。