（2016高考训练）阅读下列材料，从每题所给的选项中选出最佳选项。
If you've seen Snow White and the Seven Dwarfs，you've probably sung along to the dwarfs' classic happy song，“Heigh Ho.” In the summer of 2014，the dwarfs have a new song—and look—in Disney XD's animated series (动画系列)，The 7D.The new TV show features a pleasant theme song written and performed by Parry Gripp.
Gripp's theme introduces the 7D—Happy，Doc，Grumpy，Sneezy，Bashful，Dopey，and Sleepy —to the audience at the start of each half－hour show.“The theme song is in kind of a punk (朋克) rock style，”Gripp said.“It's pretty fast and has guitars and the tone of my voice is a bit nasal (鼻音) and aggressive.But the music in the show really changes.”
