题目

根据短文理解，选择正确答案。 The latest Chinese “god song”(an Internet term to describe pop songs that spread virally through the Internet(像病毒一样传播开来) is still making debates(争论) between those who view it as a milestone for Chinese pop music going global and those who regard it as a bad image of China. Last week, Little Apple, written and performed by the Chopsticks Brothers, won the AMA International Song Award and the duo performed the song at the 2014 American Music Awards in Los Angeles. Another Chinese pop singer, Zhang Jie, won the International Art下列各式从左到右的变化属于因式分解的是（　　） A、m2-4n2=（m+2n）（m-2n）B、（m+1）（m-1）=m2-1C、m2-2m-4=m（m-2）-4D、m2-2m-3=（m-1）2-4