— Why do you think the film star is getting less popular?

— I guess the way she wears is ______ annoys her fans most. [ ]

A. which

B. where

C. how

D. what

线性规划的图解法通常适用于决策变量为（）的线性规划模型。

A.一个

B.两个

C.三个

D.四个