5、He is only too ready to help others, seldom, ____, refusing them when they turn to him.

问题描述:

5、He is only too ready to help others, seldom, ____, refusing them when they turn to him.
A、if never B、if ever C、if not D、if any
这道题怎么做.要解析.
汉语解释也说一下.
第一个回答的不对,给的答案是B

answer is D...for the explanation,he is always ready to help others,but sometime,IF ANY,he will refuse them..