The new training center will be open to the public when it next yearA completes B will complete C is completed D will be completed

问题描述:

The new training center will be open to the public when it next year
A completes B will complete C is completed D will be completed

C
1、主句般来时前提下时间状语从句和条件状语从句要用一般现时,即使从逻辑上看该从句的行为也是将来时.
2、意思上应是被动.