Homer and Ethel were jointly in possession of Greenacre in fee simple as tenants in common. They joined in a mortgage of Greenacre to They joined in a mortgage of Greenacre to Fortunoff Bank. Homer erected a fence along what he considered to be the true boundary between Greenacre and the adjoining property, owned by Mitchell. Shortly thereafter, Homer had an argument with Ethel and gave up his possession to Greenacre. The debt secured by the mortgage had not been paid. Mitchell surveyed his land and found that the fence erected a year earlier by Homer did not follow the true boundary. Part of the fence was within Greenacre. Part of the fence encroached on Mitchell's land. Mitchell and Ethel executed an agreement fixing the boundary line in accordance with the fence constructed by Homer. The agreement, which met all the formalities required in the jurisdiction, was promptly and properly recorded. A year after the agreement was recorded, Homer temporarily reconciled his differences with Ethel and resumed joint possession of Greenacre. Thereafter, Homer repudiated the boundary line agreement and brought an appropriate action against Mitchell and Ethel to quiet title along the original true boundary. In such action, Homer will 
win, because Fortunoff Bank was not a party to the agreement.  win, because one tenant in common cannot bind another tenant in common to a boundary line agreement.  lose, because the agreement, as a matter of law, was mutually beneficial to Ethel and Homer.  lose, because Ethel was in sole possession of said premises at the time the agreement was signed. 
Question: Homer and Ethel were jointly in possession of Greenacre in fee simple as tenants in common. They joined in a mortgage of Greenacre to They joined in a mortgage of Greenacre to Fortunoff Bank. Homer erected a fence along what he considered to be the true boundary between Greenacre and the adjoining property, owned by Mitchell. Shortly thereafter, Homer had an argument with Ethel and gave up his possession to Greenacre. The debt secured by the mortgage had not been paid. Mitchell surveyed his land and found that the fence erected a year earlier by Homer did not follow the true boundary. Part of the fence was within Greenacre. Part of the fence encroached on Mitchell's land. Mitchell and Ethel executed an agreement fixing the boundary line in accordance with the fence constructed by Homer. The agreement, which met all the formalities required in the jurisdiction, was promptly and properly recorded. A year after the agreement was recorded, Homer temporarily reconciled his differences with Ethel and resumed joint possession of Greenacre. Thereafter, Homer repudiated the boundary line agreement and brought an appropriate action against Mitchell and Ethel to quiet title along the original true boundary. In such action, Homer will 
A. win, because Fortunoff Bank was not a party to the agreement. 
B. win, because one tenant in common cannot bind another tenant in common to a boundary line agreement. 
C. lose, because the agreement, as a matter of law, was mutually beneficial to Ethel and Homer. 
D. lose, because Ethel was in sole possession of said premises at the time the agreement was signed. 
Answer: