---Three people got killed by two explosions.---When was ?was on April 15 the 2013 Bo

发布时间：2020-08-17 04:26:02

---Three people got killed by two explosions.
---When was     ?
---     was on April 15      the 2013 Boston Marathon was being held．
A. that; It; when
B. this; This; that
C. this; It; when
D. that; It; that

网友回答

(答案→)A. that; It; when
B. this; This; that
C. this; It; when
D. that; It; that
解析：句意：两次爆炸杀死了三个人。什么时候发生的？在4月15日正在举行2013年波斯顿马拉松赛跑的时候。that 指代那件事情，it表示上文提到的一模一样的事物，when作为定语从句的引导词，在句中作为时间状语，故选A
以上问题属网友观点，不代表本站立场，仅供参考！