My suggestion is that some experienced experts _______to help those workers with the task as soon as possible.A.would be sent B.be sent C.were sent D.had sent 为什么选B?

My suggestion is that some experienced experts _______to help those workers with the task as soon as possible.A.would be sent B.be sent C.were sent D.had sent 为什么选B?
My suggestion is that some experienced experts _______to help those workers with the task as soon as possible.
A.would be sent B.be sent C.were sent D.had sent
为什么选B?

My suggestion is that some experienced experts _______to help those workers with the task as soon as possible.A.would be sent B.be sent C.were sent D.had sent 为什么选B?
这里是虚拟语气的用法,b选项完整的为should be sent,should可以省略.
故选b