Everything____,the plan can be carried out at once

问题描述:

Everything____,the plan can be carried out at once
A to be connsidered B considering C having considered
D considered
为什么

D为什么A 表将来 B 是主动,与作主语的everything不搭C 本身就错 少了been D表示一种状态 准备就绪,计划可以马上开始了。