问题描述：
After___ seemed like hours he came out with a bitter smile.A.which B.it C.what D.that C错?
此处的after为什么不能是连词,连接两个句子
After___ seemed like hours he came out with a bitter smile.A.which B.it C.what D.that 为何不能选it（可将after看成连词啊）
此处的after为什么不能是连词,连接两个句子
After___ seemed like hours he came out with a bitter smile.A.which B.it C.what D.that 为何不能选it（可将after看成连词啊）
问题解答：
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