题目

New research shows that.
New research shows that ______ a hands-free cell phone is just as risky as using a handheld cell phone.
A.driving to use
B.drive using
C.drive to use
D.driving using
请问是选A吗?如果不是那选什么为什么?

提问时间：2021-03-12

答案

应该选D吧 New research shows that [driving（从句的主语)][using a hands-free cell phone（修饰driving)]is just as risky as using a handheld cell phone.