Question Options:
a. opiates
b. hallucinogens
c. depressants
d. stimulants
Answer: Calvin has an addiction to OPIATES.
Explanation: Opiates are basically anything that contains opium. Opium is a yellow-brown, addictive narcotic drug obtained from the dried juice of unripe pods of the opium poppy, Papaver somniferum, and containing alkaloids such as morphine, codeine, and papaverine. Demerol and Heroin both contains opium. That is what Calvin is addicted to. The active ingredients in Demerol and Opium.