Harry in a drunken state agrees to give his car to Ben as a token of friendship. Once sober, Harry asks Ben to return his car. This contract is considered().

A、An agent can legally take an opportunity that is entitled to the principal
B、A third-party offer to an agent need not be conveyed to the principal
C、An agent cannot appropriate an offer for him- or herself once the principal rejects it
D、A principal is permitted to recover an opportunity usurped by an agent

A、reasonable
B、per se
C、justifiable
D、permissible