Empirical Evidences Suggest That the Expenditure on Prescription Drugs Grew

Empirical evidences suggest that the expenditure on prescription drugs grew by an annual average of 15 percent since 1995.In the light of this observation which of the following statements is true?

A) The restrictions imposed by the government on drug manufacturing firms were relaxed
B) Medicare has increased the ability to buy drugs
C) FDA has been easily granting permission to drug manufacturing companies to sell their new drugs.
D) Cost of producing new drugs have declined
E) Discovery of expensive new drugs reduced the demand for prescription drugs.