With the country’s population reaching 1.6 billion in the mid of this century, most of China’s rivers, including the Yellow River, ________A.is drying upB.will be drying upC.dry upD.have dried up
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B解析考察时态及语态。句意:随着本世纪中期国家的人口达到十六亿,中国大部分河流,包括长江都会干涸。Dry up弄干,河流是被弄干的对象,故用被动语态。结合句意可知描述的将来的动作,故用将来时,选B。