— that he picked up French? —It was in he traveled in France.A. Was it when; thatB. W

问题补充：

— that he picked up French?

—It was in he traveled in France.

A. Was it when; that

B. When was it; that

C. Was it when; when

D. When was it; when

答案：

A. Was it when; that

B. When was it; that

C. Was it when; when

(答案→)D. When was it; when

解析：考查强调句的特殊疑问句。when是特殊疑问词，故放在句首，排除A、C，第二格是省略了that he picked up French.的强调句。空格处引导的是定语从句，先行词在定语从句中做时间状语，故答案为D。