Question

Nobody believed his reason for being absent from class __________ he had to meet his uncle at the airport.

A. why    B. that　　

C. where D. because

Answer 1

B。

解析:

that在此引导同位语从句，修饰名词his reason。此题的难点是，his reason后带有用作定语的介词短语for being absent from class，如果撇开这个介词短语，问题就变得简单了。