Mike Is Driving When He Has an Accident

Mike is driving when he has an accident. Robin, who is driving behind him, sees the accident and stops to help. She pulls Mike from the burning car and administers CPR, saving his life. Mike is a wealthy landowner and wants to reward Robin, so he gives her a home with the understanding that when she dies, the home will go back to Mike or, if Mike is deceased, to Mike's heirs. Mike has granted Robin a:

A) fee simple.
B) fee tail.
C) life estate.
D) fee simple defeasible.