Hi can i get some help please my quiz is in 2 days.

I am leaning towards C and D.

9. Which of the following statements about the provision of public goods is true? A) Government must always provide public goods. B) The optimal amount of public good provision is when all taxpayers receive some of the good. C) If the marginal benefit of the public good exceeds the marginal costs, more should be provided. D) Some taxpayers will never benefit from the provision of a pure public good. E) The optimal amount of public good provision is when total benefits equal total costs