Ben Feels as If There Is Some Sort of Barrier

Multiple Choice

Ben feels as if there is some sort of barrier or wall between himself and his environment, as if he were an outsider watching the rest of the world go by without him. He is also experiencing
Some extremely hostile and aggressive urges, perceptual distortions, and paranoia. He has
Most likely been using ______.

A) LSD
B) THC
C) PCP
D) DDT