Mike promises that next year he will sell Kim a certain house. Meanwhile, he allows her to live in the house. Kim completely renovates the house, repairs the heating system, and entirely landscapes the property. The next year, Mike tells Kim he's decided to keep the house. Who is entitled to the house?
A.
Kim, under the doctrine of promissory estoppel.
B.
Kim, because Mike's decision to keep the house is an unforeseen difficulty.
C.
Mike, because his promise to sell Kim the house was illusory.
D.
Mike, because he initially stated only his intention to sell.