—Growing population resulted in growing rubbish.
—There is that rubbish will bee the major threat to human beings in future.
A. hope
B. afraid
C. possibility
D. likely
网友回答
A. hope
B. afraid
(答案→)C. possibility
D. likely
解析：考查词义辨析。hope 希望，afraid 害怕，possibility 可能性，likely 可能的，句意：日益增长的人口导致了垃圾的增长。有可能性垃圾在将来会对人类成为主要的威胁。所以选C。