(单选题)
Facial recognition technology is working well at tourist attractions around China, ______ the time people spend standing in lines at entries or security checks.
A.to reduce
B.reduced
C.having reduced
D.reducing
参考答案:D
参考解析:
考查现在分词作状语。句意:面部识别技术在中国旅游景区实施地很好,减少了人们排队安检的时间。前句为主句,后句表示结果且为主动关系,故用-ing分词表示,引导结果状语从句。注意having reduced的结构,这个形式表示reduce的动作发生在主句谓语动词之前,不符合题意。故选D。
知识点:
