Nora buys a trumpet on a payment plan from Musical Instruments, Inc. When she can't make the payments, 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

Group of answer choices

A. only if it is in writing.

B. only if Nora agrees to it.

C. only if the value of the trumpet is more than $500.

D. All of the other answers are correct

Which answer is correct