—Believeitornot，mysisterandIaretwins.—Oh，youmusthavehad...

问题详情：

—Believe it or not，my sister and I are twins.

—Oh，you must have had the case________you were taken for your sister.

A．which　                           B．whose

C．where　                           D．whom

【回答】

C 解析：　考查定语从句。语意表示你肯定有过你被误认为是你姐姐的情况。where you were taken for your sister是定语从句，修饰先行词the case，表示的是抽象地点，where可用in which替换。

知识点：定语从句

题型：选择题