Express Agency is:
A. An agency relationship in which customs and circumstances, rather than a detailed formal agreement, determine the agent’s authority.
B. An agency relationship in which the principal is estopped from denying that someone is the principal’s agent after leading a third party to believe the person is an agent.
C. An agency relationship that is created from a detailed, formal document.
D. An agency relationship in which an unauthorized agent commits the principal to an agreement and the principal later accepts the unauthorized agreement.