Edgar promises Alice that a certain used car will give her a "smooth ride." Edgar offers to let Alice take the car for a test drive, but Alice declines. She pays for the car and drives off but soon realizes that the car's suspension system is in poor condition. Alice
A. may rescind the contract on the ground of unilateral mistake
B. may rescind the contract on the ground of fraud
C. may rescind the contract on the ground of misrepresentation
D. was not defrauded