Ray Buys a Rural Vineyard from Sergio,who Claims That It

Ray buys a rural vineyard from Sergio,who claims that it would be a prime site for a housing subdivision.Ray later learns that the law does not permit the land to be used for housing.Ray may

A) not rescind the contract.
B) rescind the contract only if Ray did not know of the law before the deal.
C) rescind the contract only if Sergio knew about the law before the deal.
D) rescind the contract only if the law is not common knowledge.