Ann Is Injured in an Accident Caused by Bob

Multiple Choice

Ann is injured in an accident caused by Bob. Bob agrees to pay Ann $2,500 if she agrees to release Bob from further liability. Ann agrees. If Ann's damages ultimately exceed $2,500, Ann can

A) collect the balance from Bob in a breach-of-contract suit.
B) collect the balance from Bob in a tort suit.
C) collect the balance from Bob on the ground of unforeseen difficulties.
D) not collect the balance from Bob.