Lewis Tells a Representative of Musical Instruments, Inc

Multiple Choice

Lewis tells a representative of Musical Instruments, Inc., that he will pay for Nora's trumpet if she does not. Lewis does not secure any personal benefit for this promise. This promise is enforceable as a contract

A) ​any of the choices.
B) ​only if Nora agrees to it.
C) ​only if the value of the trumpet is more than $500.
D) only if it is in writing.​