The wooden doors will be replaced by glass doors next week,____ in the natural light during the day.

问题描述:

The wooden doors will be replaced by glass doors next week,____ in the natural light during the day.
A.to let B.letting C.let D.having let
为什么是A?

to let是表目的,是目的状语
目的状语的形式为to加动词原形