If he is ________ of a gentleman，he will keep his promise.

A.anything     B.something      C.nothing        D.everything

If he is anything of a gentleman, he will keep his promise.

参考译文：如果他有一点君子风度,他就会守约的。

为什么不选B？

回答如下：其实很简单 

答案解析：A为正确答案

(1)anything 类似于any用法，用于否定，疑问，条件从句中。

(2)something 类似于some用法，用于肯定陈述句。

(1)anything 类似于any用法，用于否定，疑问，条件从句中

 If he is anything of a gentleman, he will pay the money.  

倘若他是位真君子, 他会付这笔钱的。

There isn't anything of real substance in her book.  

她的书中没有任何真正实质性的内容.

Have you heard anything of this new novel of his?  

你知道他的这本新小说 吗 ?

(2)something 类似于some用法，用于肯定陈述句

something of +名词，意思“有点儿，有几分 ，在某种程度上”

She found herself something of a celebrity.

她意识到自己已小有名气了。

Did you say they're moving? I'd heard something of the kind myself.

是你说他们要搬家吗? 我也听到过这样的话。

Mending the car became something of an epic.

修理汽车竟然也算是了不起的事。

I'm something of an expert on antiques.

我对古董略有研究。

His music has become something of a cult.

他的音乐已经成为一种时尚。

His meanness has become something of a standing joke.

他的小气已成了经常引人发笑的笑料。

She is something of an artist.

她有几分艺术家的味道。

The city proved to be something of a disappointment.  

结果这座城市有点儿令人失望。

She received something of a surprise when Robert said that he was coming to New York.

当罗伯特说他就要来纽约的时候，她有点吃惊。