none of us believed his reason for being late for school__ an unexpected visitor came.

题目

none of us believed his reason for being late for school__ an unexpected visitor came.
A.why B.because C.when D.that 选哪个?为什么?

答案

选D that
none of us believed his reason for being late for school that an unexpected visitor came.
我们都不相信他迟到的理由是有一个出乎意料的拜访者来访.
从句that an unexpected visitor came.修饰 reason .