A. the wrong kind of" Muzak" could be harmful B. "Muzak" is not good in factories C. "Muzak" is welcome everywhere D. "Muzak" can cure sleeplessness 参考答案:A 答案解析:[解析] 由“If the tape of‘Muzak’is wrong,it may well cause an entire factory to sleep”一句可以得出答案为A。