单选题The steady current circling the globe at about 60°S is the（）.APrevailing WesterlyBSub-Polar FlowCWest Wind DriftDHumboldt Current
单选题
The steady current circling the globe at about 60°S is the（）.
A
Prevailing Westerly
B
Sub-Polar Flow
C
West Wind Drift
D
Humboldt Current
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