His name was on the _of my tongue,but I just could remember it.

题目

His name was on the _of my tongue,but I just could remember it.
A tip
B point
C edge
D end

答案

C edge
他的名字就在嘴边,但我就是想不起来了.
edge
n.
刀口,利刃,锋,优势,边缘,优势,尖锐
vt.
使锋利,挤进,镶边,开刃
vi.
缓缓移动,侧着移动