【题目】The police were seeking more information to find out________ killed the rich merchant.
A. who it was that
B. who was it that
C. it was who
D. who was it
在线课程【答案】A
【解析】主要考查你对 宾语从句，强调句 等考点的理解。find out后的宾语从句是强调句型，此时的语序是，引导词+it is that ,故选A，一定要用陈述语序。