What is ironic and tragic about Valencia’s death?

Select one:
a. She dies because she deserves it for being such a despicable, evil character.
b. She dies because she neglects to take care of her health after years of neglect.
c. She dies because she rushes to see Billy after his accident and doesn’t take care of herself.
d. She dies because she is aware that Billy has cheated on her with other women.