改错题 49.AThe reason I Bdidn' t attend the lecture was simply Cbecause I Dcaught a bad cold that day.
【正确答案】 C
【答案解析】本题考查同位语从句。同位语从句由that引导,是个完整的句子,解释说明先行词reason,且that不可省略。又由于the reason is that...是个固定用法,改为that。