of all my friends_____will be able to presuade tom to change his mind.he is so firm upon it.
问题描述：
of all my friends_____will be able to presuade tom to change his mind.he is so firm upon it.
A.none B.nobody C.anyone D.some
为什么选A .为什么不是B
答
"All"是一个表示集体的词.none表示三个或三个以上的人的否定（一定学过的）使用与多数人的.而nobody是不定代词一般做单数处理的