What Are the Differences Between a Cost-Effectiveness Analysis and a Cost-Benefit

What are the differences between a cost-effectiveness analysis and a cost-benefit analysis?

A) Cost-effective analysis is prospective, and cost-benefit analysis is retrospective.
B) Cost-effectiveness analysis in outcomes research focuses on health outcomes, whereas cost-benefit analysis may or may not focus on health outcomes.
C) Cost-benefit analysis addresses cost as the opposite of benefit, whereas cost-effectiveness analysis treats cost as a limited resource.
D) Cost-benefit analysis does not consider anything except financial cost, whereas cost-effectiveness analysis considers intangible costs as well.
E) Cost-effectiveness analysis always considers financial cost as one of its variables, whereas cost-benefit analysis may or may not do so.