问题
选择题
He was badly hurt last night. That is _____ he didn’t come to school.
A．because
B．that
C．why
D．what
答案
C
题目分析：考查表语从句：句意：昨晚他受伤严重，这就是他为什么没来学校的原因。选C。
考点：
点评：That’s because…那就是因为…,that’s why…，那就是因为…,结合上下文辨别。