单选题A cold front moving in from the northwest can produce（）.Athunderstorms，hail，and then rapid clearingBincreasing cloud cover lasting for several daysClengthy wet weatherDlow ceilings with thick cirrus clouds
单选题
A cold front moving in from the northwest can produce（）.
A
thunderstorms，hail，and then rapid clearing
B
increasing cloud cover lasting for several days
C
lengthy wet weather
D
low ceilings with thick cirrus clouds
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