In a Skateboarding Accident with Ryan,Starla Is Injured

Multiple Choice

In a skateboarding accident with Ryan,Starla is injured.Ryan's insurance company's offers her $25,000 to release him from liability,and she accepts.Later,she learns that her injuries are more serious than she realized.The release

A) bars Starla's further recovery from Ryan.
B) is unenforceable because Starla's injuries are unforeseeably difficult.
C) is unenforceable because Ryan has a preexisting duty to pay.
D) is unenforceable because the release is an illusory promise.