Ralph Enters into a Contract with Skye to Buy Her

Multiple Choice

Ralph enters into a contract with Skye to buy her land based on her assertion that the land is open to development. After the sale, Ralph learns that only a small section of the land can be built on-a local law prohibits construction on the rest of the property. Ralph can​

A) ​not avoid the contract because persons are assumed to know the law.
B) ​avoid the contract due to a mutual mistake.
C) ​avoid the contract due to a mistake in value.
D) ​avoid the contract due to fraud.