The project was carefully planned, or a great deal of money .
A. will lose
B. will be lost
C. would have lost
D. would have been lost
网友回答
A. will lose
B. will be lost
C. would have lost
(答案→)D. would have been lost
解析：D 考察虚拟语气。句义：这个项目计划很周详，否则会损失很多钱，根据was和转折连词or可知，是对过去事实的虚拟。故主句用should/would/could + have done的形式。由此可知，D正确。