— What is the population of America? — I don’t know. But I know it’s than that of China.A.

问题补充：

— What is the population of America?

— I don’t know. But I know it’s than that of China.

A. less

B. bigger

C. smaller

D. larger

答案：

A. less

B. bigger

C. smaller

D. larger

解析：big：大，巨大，（侧重体积方面）;large：大，宽广,（侧重指面积范围上的辽阔）little：少（感觉比较侧重于数量方面）small:小（侧重于体积方面）