Attheageoffive，

问题详情：

At the age of five，________.

A．he went to America                              B．his father died

C．a car knocked him down                      D．all of the above

【回答】

A　at the age of某人在……岁时，其逻辑主语应为主句的主语。C项中a car没有年龄之说；而一个人不可能5岁就做了父亲，B项显然错误。

知识点：主谓一致

题型：选择题