--Growing population resulted in growing rubbish.There is possibility that rubbish the

--Growing population resulted in growing rubbish.
--There is possibility that rubbish the major threat to human beings.
A. becomes
B. is becoming
C. became
D. would become

A. becomes(答案→)B. is becomingC. becameD. would become解析： 试题分析:考查动词时态。根据语境可知此处是对未来的预测，所以用现在进行时态表示将来。句意：--逐渐增多的人口造成了越来越多的垃圾。---有可能垃圾会成为人类最大的威胁。

正好我需要