It was only with the help of the local guide---

问题描述:

It was only with the help of the local guide---
A.was the mountain climber rescued.
B.that the mountain climber was rescued.
C.when the mountain climber was rescued.
D.then the mountain climber was rescued.

选B强调句

强调句型:
it is/was +...+that.强调事或物时只能用that
it is/was +...+who.如果强调部分是人的话就用who不考虑only的倒装结构吗这里不用考虑,因为句子的重点在强调。