Question

Since the recent river pollution in several provinces, people _______ more and more attention to the quality and safety of drinking water.

A．pay

B．are paying

C．have paid

D．have been paying

Answer 1

D

试题分析：考查时态：句意：自从最近几个省的河流污染，人们一直在越来越多的关注饮用水的质量问题。时间状语是.Since the recent river pollution in several provinces,可知与完成式连用，因为这个动作是过去到现在一直在做，而且可能还要继续下去，所以用现在完成进行时，选D。