Alex wanted to own his own business. He explored several ways to do this and decided to open a new bicycle shop from scratch and to sign a contract to sell Specialized bicycles, a high$-$end brand of bicycles. Which of the following options did Alex use when starting his own business?

A$)$ Starting a business plantation

B$)$ Bu$$ an existing business

C$)$ Buy a franchise

D$)$ Enter into a business opportunity