一 Why are you staring at me?

一 You look stupid! The way you wear is _____ annoys me most. [ ]

A. which

B. where

C. how

D. what

在两个长途交换中心之间选择路由时，最后才选择（）。

A.迂回路由

B.高效直达路由

C.转接次数较多的迂回路由

D.基干路由