A Patient from Out of Town Has Her Physician Phone

A patient from out of town has her physician phone in a verbal order for an emergency filling of her prescription. The pharmacist realizes that:

A) a verbal order is not legal across state lines; he cannot fill this order.
B) a verbal order does not necessarily constitute a valid prescription unless it is signed.
C) a verbal order is not legal unless it is transcribed, by a certified medical professional, to an order form at the verbal order of the prescriber.
D) a and c.