【题目】 It was Asimov was eleven years old his talent for writing became obvious.
A. that, when B. When, that
C. when, when D. when, which
在线课程【答案】B
【解析】
试题分析：句意：当Asimov11岁时，就他的写作天赋就非常明显了。这里是强调句型，被强调的是when引导的时间状语从句，判断强调句型的方法是把It was that这三个词去掉，整个句子不缺成分，意思完整，故选B。