单选题We learn from the passage that the author ______.A revises someone else’s opinionB explains an opinion of his ownC favors one of the three opinionsD comments on three different opinions
题目
单选题
We learn from the passage that the author ______.
A
revises someone else’s opinion
B
explains an opinion of his own
C
favors one of the three opinions
D
comments on three different opinions