Final answer:
LSD, or d-lysergic acid diethylamide, was the drug produced and first consumed by humans during its synthetic era.
Step-by-step explanation:
The correct answer is c) LSD.
LSD, or d-lysergic acid diethylamide, was first synthesized in 1938 by Swiss chemist Albert Hofmann. It is a potent hallucinogenic drug that alters mood and perception. LSD was initially produced in crystalline form and later used to produce tablets or thin squares of gelatin.
Although drugs like marijuana, psychedelic mushrooms, and cocaine have been used by humans for various purposes throughout history, they were not produced or consumed during their synthetic era.