The librarians arranged books__________alphabetical order

问题描述:

The librarians arranged books__________alphabetical order
A.on B.in C.to D.of

选B.
The librarians arranged books__________alphabetical order
in..order以.顺序.
类似的,in..way.以.方式
这句话的意思是.图书管理员按照字母顺序排列图书.