Answer:
A. All dangerous drugs are illegal.
Step-by-step explanation:
Drugs is, according to the World Health Organization (WHO), a "term of varied use in medicine refers to any substance with potential to prevent or cure a disease, the term usually refers specifically to psychoactive substances and often , in a more concrete way, to illegal drugs ». This term is also used in the field of medicine and pharmacology, as a synonym for "active ingredient" or drug, as reflected in the WHO definition. However, other authors point out that "drug" is the appropriate term to refer to a substance used without therapeutic purposes, self-administered and with potential for abuse or dependence, or that produces pleasure.