Kurt and Jennifer Have an Agreement That Jennifer Will Buy

Kurt and Jennifer have an agreement that Jennifer will buy Kurt's house.Later Jennifer verbally assigns the right to buy the house to Kristi,one of Kurt's former girlfriends.When Kristi shows up with the money,Kurt says "No way! You ditched me to date Rick.I'm not ever letting you get anything from me!" Which of the following is true in regard to the dispute between Kurt and Kristi?

A) Kristi cannot enforce the assignment because it was not in writing.
B) Kristi can enforce the assignment only if the agreement that Kurt and Jennifer had was in writing.
C) Kristi can enforce the assignment.
D) Kristi cannot enforce the assignment because Kurt did not specifically grant Jennifer the power to assign the contract.
E) Kristi cannot enforce the assignment because assignments to purchase property cannot ever be assigned for public policy reasons.