Your Opinionated Uncle Informs You That All Prescription Drugs Are,by

Your opinionated uncle informs you that all prescription drugs are,by definition,controlled substances because they cannot be legally obtained without a prescription.How should you respond to your uncle?

A) Controlled substances are legally defined as substances that have the potential to be abused or are addictive,but not all prescription drugs have this potential.
B) Correct;all prescription drugs are,by definition,controlled substances because they cannot be legally obtained without a prescription.
C) Some prescription drugs can be obtained without a prescription but are more typically referred to as "behind the counter" drugs.
D) The term "controlled substances" is an outdated term;prescription drugs is now the preferred term.