Now mobil phones are very popular and they are muchthan before. A. cheap B. cheaper C. the

问题补充：

Now mobil phones are very popular and they are muchthan before.

A. cheap B. cheaper C. the cheapest

答案：

解析：句意：现在手机是受欢迎的，他们比以前便宜多了。两者比较用比较级，比较级前不加冠词，故选B。