________ your composition carefully, some spelling mistakes can be avoided.

A．Having checkedB．CheckingC．If you checkD．To check

C

解析試題分析：考查句子成分：非謂語動(dòng)詞作狀語，其邏輯主語必須是句子主語，而這句話的邏輯主語是some spelling mistakes不可能是check的主語，所以不能用非謂語動(dòng)詞，只能用條件狀語從句，句意：如果你仔細(xì)檢查你的作文，一些拼寫錯(cuò)誤就會(huì)避免，正確答案為C.
考點(diǎn)：考查句子成分

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