Question

Julie was good at German, French and Russian, all of ____ she spoke fluently.

A．who

B．whom

C．which

D．that

Answer 1

C

本题考查定语从句中复合关系代词的用法。介词后只能使用的关系代词是which, who, whose, 因为句子中关系词指代是语言，故选C；