问题：
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
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 |
参考答案：