The brakes on Dirk's Tour de Valle bicycle malfunction, but he continues to ride it because he likes the thrill of the unstoppable acceleration. One night, enjoying a fast downhill pace, he speeds through a stop sign and is struck by a truck. In Dirk's suit against Tour de Valle, the bike maker can raise the defense of
a. assumption of risk.
b. repose.
c. product misuse.
d. preemption.