问题
单项选择题
The reason why the traffic was stopped was the bridge () was broken.
A．how
B．that
C．because
D．for
答案
参考答案：B
解析：
reason作主语，后面的表语从句只能用that引导。故选B。
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The reason why the traffic was stopped was the bridge () was broken.
A．how
B．that
C．because
D．for
参考答案：B
解析：
reason作主语，后面的表语从句只能用that引导。故选B。