单选题 So far, ______ winds and currents have kept the thick patch of oil southeast of the Atlantic coast.
【正确答案】 C
【答案解析】[解析] govern“统治,执行”;blow“吹,风吹”;prevail“获胜,盛行,主导”;rule“统治,支配”。prevailing wind“主风,盛行风”。故答案为C。