【题目】The reason ____he was late was ____he had taken a wrong bus.
A. why; because B. for; because of
C. why; that D. for; that
在线课程【答案】C
【解析】
试题分析：考查表语从句和定语从句。固定句型：The reason is/was that...原因是……；that引导表语从句；第一空是定语从句，why he was late修饰先行词the reason。句意：他迟到的原因是乘错了公交车。故C正确。