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how to solve the problem, the little boy turned to his father for help. A.Not kn

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how to solve the problem, the little boy turned to his father for help. A.Not kn

      how to solve the problem, thelittle boy turned to his father for help.

         A.Notknowing                                                     B.Havingnot known

         C.Nothaving been known                                 D.Notknown

 

试题答案

【答案】

A

【解析】略