Mobile phones are very popular in China now and they are than before.
A. more cheap
B. much cheaper
C. the cheapest
D. quite cheaper
网友回答
A. more cheap
(答案→)B. much cheaper
C. the cheapest
D. quite cheaper
解析：比较级用于表示两个事物间进行对比，最高级用于三个及三个以上事物进行对比。单音节 形容词副词的比较级是在后面加er，much可修饰形容词比较级，表示程度， quite一般不用于修饰比较级，可以修饰最高级。故选B。