See who is there! ____ it be may?a. May b. Can c. Must d. Will为什么选B?

问题描述:

See who is there! ____ it be may?
a. May b. Can c. Must d. Will
为什么选B?

填can
看那时谁?能是梅吗?

may这个应该是大写开头的吧,人名?
这里选can表示可能

can可以表示推测(惊讶、怀疑、不相信的态度),用于疑问句、否定句和感叹句中.
Can this be true?
This can’t be done by him.
How can this be true?

Can it be....是 有可能是。。。。的意思