If Annie Promises Not to Drink Alcohol Until She Is

Multiple Choice

If Annie promises not to drink alcohol until she is 21 years of age in exchange for her aunt's promise of $1,000,the agreement is:

A) enforceable because Annie is giving up the right to do something she would otherwise be entitled to do.
B) enforceable because both parties made a valid promise.
C) not enforceable because Annie does not have a legal right to drink alcohol.
D) not enforceable because Annie's aunt doesn't receive anything of value in exchange for her own promise.