My sister has bought a new car color is bright red. A. itsB. thatC. whoseD. which

问题补充：

My sister has bought a new car color is bright red.

A. its

B. that

C. whose

D. which

答案：

A. its

B. that

(答案→)C. whose

D. which

解析：考查定语从句的关系词。本句的先行词的a new car，定语从句中的名称color前面缺少定语修饰。在定语从句的关系词中只有whose可以用来修饰名词在句中做定语。句意：我的姐姐买了一辆新车，它的颜色是大红色。故C正确。A项不是定语从句的关系词。BD项通常作为主语，宾语。