Jason's Mother Would Like Him to Go to College, So

Multiple Choice

Jason's mother would like him to go to college, so in June he enrolls at the local university. He also quits his job and tells his mother his plans to take classes. His mother says, "I'm so happy that you are going to college that I want to pay for your books." Jason then sends her a bill for $485. Jason's mother's promise is:

A) enforceable, because Jason returned to college.
B) enforceable, because Jason is giving up the right to do something else.
C) unenforceable, because it is a unilateral contract.
D) unenforceable, because Jason had already enrolled in school when she made the statement that she wanted to pay for his books, and there is no consideration.