Which of the following is correct with regard to public-private partnerships?

Which of the following is correct with regard to public-private partnerships?
A) These partnerships have generally been failures in terms of the quality of service provided.
B) These partnerships have resulted in windfall profits for the businesses that have gotten involved in them.
C) These partnerships cost more money than the traditional approach (where the government puts up the money and then hires contractors to do the necessary work).
D) These partnerships have resulted in bad public relations for the businesses that have gotten involved in them.
E) These partnerships have created a monopoly situation for the businesses that have gotten involved in them.