问题
选择题
“How was ______ they discovered the entrance to the underground palace?” “Totally by chance.”
A．it that
B．he that
C．it when
D．he which
答案
答案：A
为强调句的特殊疑问句形式，其相应的陈述句形式为：It was totally by chance that they discovered the entrance to the underground palace.