[单选题]Words may fall into native words and borrowed words by（ ）.
A
notion
B
origin
C
function
D
use frequency
正确答案：B
题目解析
本题考查本族词和外来词。As far as the origins of the words are concerned, English words can be classified into native words and borrowed words. 从词汇的起源来看，英语词汇可以分为本族词和外来词。notion：概念；origin：起源；function：功能；use frequency：使用频率。
