Ichiro is injured in a two-car accident and sues Heather, the driver of the other vehicle, alleging negligence. Heather claims that Ichiro was driving more carelessly than she was. Comparative negligence may reduce Ichiro’s recovery
a. even if Ichiro was only slightly at fault.
b. only if both parties were equally at fault.
c. only if Ichiro was less at fault than Heather.
d. only if Ichiro was more at fault than Heather.