Jackie tells a group of friends that she plans to sell her home. Meg asks how much Jackie hopes to get for the house, and Jackie replies, "$50,000." Meg says, "I accept your offer. I'll purchase your house for $50,000." No contract exists because
A. Jackie doesn't seriously intend to enter a contract.
B. the terms of the offer aren't reasonably certain.
C. the offer isn't properly communicated.
D. Jackie's statements are merely preliminary negotiations.