— The number of pandas is getting________ because their living areas are becomin

题型：不详难度：来源：

— The number of pandas is getting________ because their living areas are becoming polluted.
— So we must do something to protect them.

A．less and less

B．larger and larger

C．smaller and smaller

D．fewer and fewer

答案

C

解析

试题分析：句意：——因为熊猫的生活地区正在被污染，熊猫的数量正越来越小。——因此我们采取措施保护他们。A. less and less  越来越少；B. larger and larger 越来越大；  C. smaller and smaller 越来越小； D. fewer and fewer越来越少。修饰名词number用形容词large和small。结合句意，故选C。