Why is the use of the club drug rohypnol an example of drug synergy?

A: Using alcohol cancels the effects of rohypnol
B: Rohypnol is often mixed with alcohol
C: One club drug taken with another reduces their effects
D: Loud music in clubs enhances the effects of rohypnol

B: Rohypnol is often mixed with alcohol

The use of rohypnol along with alcohol is an example of drug synergy because the combination of the two substances can enhance the effects of each other, leading to increased sedation and impairment. This interaction can make individuals more vulnerable to dangerous outcomes such as overdose, accidents, or sexual assault.