单选题 The example of an Avril Lavigne phone is given to illustrate that ______.

A、 the new wireless phone has a bigger memory than the average one
B、 music-loving,fashionable teenagers are its target customers
C、 the functions of current mobile phones are very changeable
D、 its price is not very high concerning its various functions

【正确答案】 C

【答案解析】由第四段得知，这个例子是来说明面板功能的多样化的。