Question

 (2011年南昌模拟)The police were seeking more information to find out________the rich merchant.

A．who it was that killed                   B．who was it that killed

C．it was who killed                         D．who was it killed

Answer 1

解析：选A。考查强调句型。强调句型的疑问句结构为：疑问词＋is it＋that...而这里是强调句的疑问句结构作宾语，故用正常的陈述语序，所以答案为A。