the population in the world--faster and faster.A.is grown B.is growingC.are
问题描述：
the population in the world--faster and faster.A.is grown B.is growingC.are
the population in the world--faster and faster.A.is grown B.is growingC.are grownD.are growing
答
选B
世界人口增长越来越快.
population 人口,是用单数形式,直接排除 C.和D,人口在增长用现在时进行时.