Pell is the principal and Astor is the agent in an agency coupled with an interest. In the absence of a contractual provision relating to the duration of the agency, who has the right to terminate the agency before the interest has expired?
A. Pell: Yes; Astor: Yes
B.Pell: No; Astor: Yes
C. Pell: No; Astor: No
D. Pell: Yes;