Marketing Solutions Inc. promises to employ Niki as a software engineer. In reliance on the promise, Nikiquits her job with Online Ad Company, but Marketing Solutions does not hire her. Most likely, Marketing Solutions is
A) liable to Niki under the concept of rescission and new contract.
B) liable to Niki under the doctrine of promissory estoppel.
C) liable to Niki under the preexisting duty rule.
D) not liable to Niki