题目

For some people, music is no fun at all．About 4% of the population is what scientists call “amusic”．People who are amusic are born without the ability to enjoy musical notes．Amusic people often can’t tell the differences between two songs.As a result, songs sound like noise to an amusic．Many amuics compare the sound of music to pieces of metal hitting each other．Life can be hard for amusics．In fact, most people can’t understand what it feels like to be amusic．Just going to a restaurant or a shopping center can be uncomfortable or even painful．That is why many am下列属于世界人口稠密区的是（　　） A、非洲撒哈拉沙漠地区B、亚马孙热带雨林区C、欧洲西部D、我国东部平原