Please just answer no need for an explanation, thanks.

A buyer and a seller agreed to a home sale. it was not written, but the parties shook hands to cement the deal. the buyer gave $$2,000$ to the seller as earnest money and immediately moved in to the property. this agreement is

A$)$ enforceable.

$$B$)$ a violation of Florida statutes.

C$)$ illegal.

D$)$ a apparent contract.