Was it he was playing volleyball on the playground he got hurt?
A. that; when
B. when; that
C. that; where
D. where; that
网友回答
A. that; when
(答案→)B. when; that
C. that; where
D. where; that
解析：这是强调句型，其结构是：It was+被强调部分+that/who+其他。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。这里被强调部分是时间状语从句when he was playing volleyball on the playground，故选B。