We want a P.E. teacher to teach soccer, volleyball and tennis. We _____ want a music teacher to teach guitar,

piano and violin. [ ]

A. even

B. either

C. too

D. also

有一种CD光盘,用户可以自己写入信息,也可以对写入的信息进行擦除和改写,这种光盘的英文缩写为_________。