Marlo is about to be transferred overseas and wants to sell her house. Julianna, who is not a real estate agent, offers to sell the house for Marlo for free. Marlo jumps at the chance to get such a valuable service for free! Because Julianna offered to sell the house for free, Julianna owes Marlo:

A. the duty to perform as a reasonable real estate agent would perform in selling the house.

B. no duty to sell the house, but if Julianna does attempt to sell the house, she owes Marlo the duty to use reasonable diligence and skill in performing the task.

C. the duty to use reasonable diligence and skill to sell the house.

D. no duty at all, because there was no compensation flowing from Marlo to Julianna.