Julie was good at German, French and Russian, all of she spoke fluently.
A. them
B. whom
C. which
D. that
网友回答
A. them
B. whom
(答案→)C. which
D. that
解析：考查定语从句。本定语从句的先行词是German, French and Russian，关系代词which指代这些先行词在句中作为of的宾语，句意：Julie擅长德语，法语和俄语，所有这些语言她讲得都很流利。故C正确。