Which example best demonstrates a service that could be sold by an entrepreneur? a vitamin supplement a lotion for treating burns a kit for diagnosing diabetes a therapeutic massage

D. a therapeutic massage

Explanation:
if they're serious about it, an entrepreneur can start their own business that offers services like therapeutic massages.

a vitamin supplement, a lotion for treating burns, and a kit for diagnosing diabetes all sound like things that a pharmacy could offer instead, not necessarily an entrepreneur