问题
选择题
The students gave a quick answer to the question ________they did it,________was raised by the foreign visitors.
A．which;which
B．why;which
C．why;that
D．that;that
答案
答案：B
第一个从句是同位语从句，应用 why引导，因为why从句是说明 question的内容的。第二个空选用which的主要原因是这是一个非限定性定语从句。