Security Insurance Agency Contracts with Town Motors to Buy Six

Security Insurance Agency contracts with Town Motors to buy six cars. The contract lists the cars by their VINs (vehicle identification numbers) . Under the UCC, identification

A) requires the filing of a copy of the contract in the appropriate state office.
B) has taken place.
C) cannot take place unless the cars are in the seller's possession.
D) cannot take place until the cars are in the buyer's possession.