The Nurse Is Teaching a Class About Over-The-Counter (OTC)medications at a Senior

The nurse is teaching a class about over-the-counter (OTC) medications at a senior citizen center.Which statement by a participant indicates the teaching was effective?

A) "Over-the-counter medications are safe,as long as we don't take them at the same time as our prescription medications."
B) "Over-the-counter medications are safe; otherwise,they would require a prescription."
C) "We should not take any over-the-counter medications without first calling our primary health care provider because these medications can interact with other prescriptions or products."
D) "We must read all the label directions before taking any over-the-counter medications."