He didn not go by bike with me.That is there was something wrong with his bike.A why B how

问题补充：

He didn not go by bike with me.That is there was something wrong with his bike.

A,why B,how C,because D,Whether

答案：

解析：通过分析句子结构，可知这是一个复合句，其中包含一个表语从句，且引导词在从句中作原因状语，故用why 。