问题
选择题
. She asked the man _______ it was true he had been a soldier before.
A．whether; that
B．that; that
C．if; when
D．what; whether
答案
A
本题考查宾语从句。由句意知第一空表示“是否”的含义，可排除B、D两项。本题宾语从句中又包含一个主语从句，it作形式主语，that引导的从句作真正的主语从句。