Which of the Following Is a Correct Statement Pertaining to Heroin

Which of the following is a correct statement pertaining to heroin?

A) The first comprehensive control of heroin in the United States was established with the Harrison Narcotic Act of 1914.
B) Pure heroin is rarely sold on the street.
C) The Bayer Company in Germany first started commercial production of heroin as a pain remedy in the latter part of the nineteenth century.
D) Pure heroin is a white powder and is also known as "horse. "
E) Both B and D.
F) All of the above.