Which of the Following Best Explains Why Many Former Prescription

Multiple Choice

Which of the following best explains why many former prescription drugs have become over-the-counter (OTC) drugs?

A) Consumers are more aware, and pharmaceutical marketing strategies have improved.
B) Many drug actions, once believed to be harmful, have been found to be relatively safe.
C) Physicians have lobbied to reduce the number of prescriptions they must write.
D) Prescription-only medications are much more expensive to manufacture.