四六级考试

【单选题】
A、At midnight.
B．When the neighbors’ son leaves for work.
C．In the morning.
D．When the car is turned off.

网考网参考答案：D
网考网解析：
[听力原文] When does the noise stop document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>