Rachel Decides to Sell Her Home,so She Meets with Several

Rachel decides to sell her home,so she meets with several real estate agents.She has decided to select the agent who offered a reduced commission rate and a guarantee that her home will sell within three months without a price reduction.How will Rachel's rights be impacted if she fails to enter into a formal contract with the agent?

A) As long as the agent's promise is witnessed,it will be enforceable.
B) Unless the agent's promise is formalized in a contract,it will not be enforceable.
C) Rachel will be in an ideal situation because then she cannot be forced to fulfill her own promises to the agent.
D) Rachel will not be impacted negatively because real estate agents can be sued for breaching the code of conduct that applies to real estate agents.