— that he picked up French? —It was in 2010 he traveled in France.A. Was it when; thatB. W

网友回答

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2010在定语从句中做时间状语，故答案为D。