Question

which of the following is a street name for stimulants?
downers
dexedrine
hillbilly heroin
the smart drug

Explanation:

"Downers" are depressants, not stimulants. Dexedrine is a prescription - stimulant but not a street name. "Hillbilly heroin" is a street name for methamphetamine, which is a stimulant. "The smart drug" is a general term sometimes used for stimulants like Ritalin or Adderall on the street.

Answer:

D. The smart drug