Which of the Following Is True About the Food and Drug

Which of the following is true about the Food and Drug Administration's regulation of drugs?

A) The Food and Drug Administration has the power to regulate only prescription drugs.
B) The Food and Drug Administration conducts hearings in connection with new drug applications.
C) Once approved, the Food and Drug Administration does not have the power to withdraw its approval of a drug.
D) New drugs can be marketed before Food and Drug Administration approval, if the drugs have no dangerous side effects.
E) The processing of licensing a new drug must take under eighteen months.