John and Jay Are Brothers Who Received Title to a Property

John and Jay are brothers who received title to a property from their father. When they decided to sell the property, Jay was out of town. In order to properly transfer title, the deed could be signed by

A) John alone, since they are brothers.
B) John, with a properly recorded power of attorney from Jay.
C) John and the father, since the father was the original owner.
D) no one, since both must be present.