Betty Wants to Sell Her Car

Betty wants to sell her car.If she tells a prospective buyer that the car is mechanically sound,when it is not,she:

A) has made an innocent misrepresentation if she actually believes the car is mechanically sound and has good reason for this belief. However, this misrepresentation would make a contract of sale void.
B) has made an innocent misrepresentation if she actually believes the car is mechanically sound and has good reason for this belief. This misrepresentation would make a contract of sale voidable by the buyer.
C) is guilty of fraud, which would make a contract of sale void.
D) has merely expressed an opinion, which cannot be the basis of either fraud or innocent misrepresentation.