none 和no body 有什么区别?

问题描述:

none 和no body 有什么区别?
比如:The man had expected to see all his relatives when in hospital,but_____came to see him while many of his friends offered him their help.
选哪个?为什么?

填none. 事实上是none of them的简写.
如果写no body,就变成彻底没有人了,他的朋友也没有了.