Which of the Following Doctrines Require(s)the Court to Determine the Percentage

Which of the following doctrines require(s) the court to determine the percentage of fault of the defendant and then hold the defendant liable for that percentage of the plaintiff's damages,but with the requirement that the defendant be more than 50 percent at fault before the plaintiff can recover?

A) Assumption of the risk.
B) Last-clear-chance.
C) Modified comparative negligence.
D) Pure comparative negligence.
E) Both modified comparative negligence and last-clear-chance.