A-A+
The background music in an assembly line is de
问题详情
The background music in an assembly line is designed ______ .
A．being not listened to
B．not being listened to
C．to be not listened to
D．not to be listened to
参考答案
正确答案：D
解析：选D 。题干中的design后一般接动词不定式，由此排除A 和B ；又因为动词不定式的否定结构是 not+to do sth.，故答案为D 。
