问题
选择题
An idea suddenly came to J.K.Rolling ________ she could write a book about people living in the magic world
A．if
B．when
C．that
D．which
答案
答案：C
主要测试同位语从句。An idea与后句为同位关系。译文：J.K.Rolling突然有了一个想法，她可以写一本有关生活在魔幻世界里人的书，