As the grows larger the world itself seems to be smaller.A. populationB. pollutionC. pr

问题补充：

As the grows larger, the world itself seems to be smaller.

A. population

B. pollution

C. problem

D. province

答案：

(答案→)A. population

B. pollution

C. problem

D. province

解析：句意：随着人口越来越多，世界本身似乎更小了。population人口， pollution污染，problem 问题，province省。根据语境可知人口变多，世界似乎变小，故选A.