Answer:
A. He realizes that she will probrably die in the mountains.
Explanation:
It says this in the story, "The son walked slowly, for he could not bear to think of leaving his old mother in the mountains. On and on he climbed, not wanting to stop and leave her behind."
Answer:
He withdraws his answer.
Explanation:
She stood up to him so he revoked his offer and had her taken away.
The name of the common error in this sentence is C) dangling modifier.
We don't know what the dangling modifier (having risen because of the rains) actually refers to - does it refer to the hikers or the river?
Although using logic you can infer that it refers to the river, but still, the order of the words makes it an incorrect sentence.