单选题In the Northern Hemisphere a wind is said to veer when the wind（）.AChanges direction clockwise，as from north to east，etcBChanges direction violently and erraticallyCRemains constant in direction and speedDChanges direction counterclockwise，as from south to east，etc
单选题
In the Northern Hemisphere a wind is said to veer when the wind（）.
A
Changes direction clockwise，as from north to east，etc
B
Changes direction violently and erratically
C
Remains constant in direction and speed
D
Changes direction counterclockwise，as from south to east，etc
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