题目内容
（请给出正确答案）
[主观题]
听力原文： We interrupt this program to bring you a special weather bulletin. The National
Weather Service has issued a tornado watch for the following five counties: Douglas, Johnson, Jefferson, Leavenworth and Franklin. The watch will be in effect until ten o'clock tonight or until cancellation by the Weather Service.
Remember, a tornado watch means that weather conditions are favorable for the formation of a funnel cloud. A tornado warning means that a funnel cloud has been sighted. As yet, no tornado warnings have been issued for any of the counties in the area.
Until what time will the tornado watch be in effect？
A．10 o'clock tonight.
B．2 o'clock in the morning.
C．2 o'clock in the afternoon.
D．10 o'clock in the morning.
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