In a Sales Contract Between Two Companies,one in Florida and One

In a sales contract between two companies,one in Florida and one in Kentucky,which of the following is true about which set of laws would apply:

A) The CISG,because both parties to the sales transaction are residents of the United States.
B) The UCC,because both parties to the sales transaction are residents of the United States.
C) The UCC,but only if the parties opted out of the CISG.
D) Both the CISG or the UCC would apply
E) Neither the CISG nor the UCC would apply.