小明的父亲饭后出去散步,从家走20分钟到一个离家900米的报亭,看1

小明的父亲饭后出去散步,从家走20分钟到一个离家900米的报亭,看10分钟报纸后,用15分钟返回家里.下面四个图象中,表示小明父亲的离家距离与时间之间关系的是(  

A              B              C.            D

答案

 B  

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