To constitute a binding agreement between a hotel and a person seeking to become a guest, the agreement must: $*$ A$)$ indicate the material points of the agreement, such as the dates of the guest's reservation, the rate, the number of rooms needed, and the nature of the accommodation. B$)$ confirm that the hotel will accommodate the prospective guest on the dates mentioned. C$)$ be in writing. D$)$ both A and B$.$