问题
选择题
Who ________ a lady like Susan Boyle, once an ordinary woman in Scotland, would achieve overnight success at Britain’s Got Talent Show?
A．might think
B．could think
C．could have thought
D．must have thought
答案
答案：C
考查情态动词用法，根据句意可知此处表示情态动词对过去的推测。故排除AB。句意为谁曾想到想苏珊这样的女士，曾经是一个苏格兰的普通妇女会一夜之间在英国达人秀上取得成功。Must have thought意为一定想到了