At 17 Years Old,Otto Signed a Contract to Purchase a New

Multiple Choice

At 17 years old,Otto signed a contract to purchase a new Hummer by advancing a payment of $50,000.However,when Otto turned 20,he wished to disaffirm this contract.Does the law permit this?

A) Yes,because he was a minor when he signed the contract.
B) Yes,because he is not yet 21 years of age.
C) No,because a car is a "necessary."
D) No,because Otto implied his ratification.