单项选择题

A.geostrophic windsB.doldrumsC.horse latitudesD.prevail……

On the pole side of the high pressure belt in each hemisphere，the pressure diminishes. The winds along these gradients are diverted by the Earth’s rotation toward the east and are known as the（）.

A.geostrophic winds
B.doldrums
C.horse latitudes
D.prevailing westerlies

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