(单选题) Pronunciation is difficult to teach without drills on sounds. However, drilling individual sounds for more than a few minutes a time may be ___.(本题2.0分)
A、 interesting and fun
B、 attractive and motivating
C、 boring and demotivating
D、 of no use
出自:哈尔滨师范大学-英语教学法(专升本)