I'll write down your name and address lest you ___as a witness.I'll write down your name and address lest you ___as a witness.A.are needed B.will be needed C.need D.be needed我想知道选什么,为什么这么选 下次再碰到这类题好能自

I'll write down your name and address lest you ___as a witness.
I'll write down your name and address lest you ___as a witness.
A.are needed B.will be needed C.need D.be needed
我想知道选什么,为什么这么选 下次再碰到这类题好能自己答上,

A lest 是以防的意思,引导条件状语从句,从句一般用现在时表将来