Which of the Following Was a Limitation of the 1938

Which of the following was a limitation of the 1938 Food, Drug, and Cosmetic Act?

A) Drugs had to be proven safe, but not effective
B) Drug manufacturers decided what was prescription and what was over-the-counter
C) Information written on drug labels did not have to be in a language understandable to the consumer
D) All of the above were limitations of the 1938 Food, Drug, and Cosmetic Act