which nonprescription drug is commonly abused by teens?\n○ ritalin\n○ aspirin\n○ oxycontin\n○ cough syrup

Brief Explanations:

To determine the commonly abused nonprescription drug by teens, we analyze each option:

• Ritalin is a prescription stimulant, not nonprescription.
• Aspirin is a common pain reliever but not typically abused by teens in the same way as some other substances.
• OxyContin is a prescription opioid, not nonprescription.
• Cough syrup (containing ingredients like dextromethorphan) is a nonprescription drug that is commonly abused by teens for its psychoactive effects.

Answer:

D. cough syrup