题目内容

Can you tell me how ________ the problem ?
A．did solveB．to solveC．solvingD．solved
B

试题分析：句意：你能告诉我怎样解决这个问题吗？根据题干，how后面的句子没有主语，故本句应该是一个简单句，其结构是“特殊疑问词+to do”。故选B。
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