【单选题】Doug has been drinking heavily. Joe offers to buy Doug's farm for a fair price. Believing the deal is a joke, Doug writes and signs an agreement to sell and gives it to Joe. Joe believes the deal is s...
A.
enforceable, if the circumstances indicate that Doug understands what he did.
B.
enforceable, because Joe believes that the transaction is serious.
C.
unenforceable, because the intoxication permits Doug to avoid the contract.