【单选题】In which of the following circumstances will an agent's apparent authority arise?
A.
When the principal tells the agent orally what the limit of their authority is
B.
What a third party determines the agent's authority is from what is usual in the circumstances
C.
When, without the principal being aware, anagent tells a third party what their authority is
D.
Where a principal has represented a person to third parties as being their agent, despite not actually appointing the person