–What’s the price of iphone4S these days?It is much . You may go and buy one.A. cheapB.

问题补充：

–What’s the price of iphone4S these days?

--It is much . You may go and buy one.

A. cheap

B. cheaper

C. low

D. lower

答案：

A. cheap

B. cheaper

C. low

(答案→)D. lower

解析：much一般修饰不可数名词，或形容词的比较级，故将AC排除，同时，修饰物品的，用形容词cheaper，不能用lower，故选答案为D