My suggestion is that another test ___ .A:be carried out B:will be carried out C:shall be carried out D:must be carried out 选哪

My suggestion is that another test ___ .A:be carried out B:will be carried out C:shall be carried out D:must be carried out 选哪
My suggestion is that another test ___ .A:be carried out B:will be carried out C:shall be carried out D:must be carried out 选哪

My suggestion is that another test ___ .A:be carried out B:will be carried out C:shall be carried out D:must be carried out 选哪
选 A
suggestion表示建议,后面的从句用虚拟语气,所以用should do sth,should 可以省略,完整的是should be carried out

C，虚拟语气。

支持第一个