问题
选择题
The reason _____ he was late for the meeting was ____ he was held up by traffic jam during rush hours.
A．why; because
B．that; that
C．why; that
D．that; because
答案
答案：C
题目分析：句意：他开会迟到的原因是他在上下班高峰期被交通耽误了。这里第一空填why引导定语从句，因为先行词是reason，而且定语从句中缺少原因状语，第二空用that连接表语从句，因为主语是reason，所以用that连接表语从句，所以选C。