UC知道英语单选 ，在线等，要详细原因
来源：百度知道 编辑：UC知道 时间：2024/09/20 14:56:51
If the whole operation_beforehand,a great deal of time and money would have been lost
A was not planned B has not been planned
C were not planned D had not been planned
A was not planned B has not been planned
C were not planned D had not been planned
d 看后半句的意思，表示倘若。。。就会损失大量的时间和资金。事实上是没有损失的，而倘若的内容表示过去的一种假设， 关键是would have been done 的理解。
D
D
虚拟语气，从句是对过去的虚拟