livia is working on a construction site when she is hurt on the job by a door manufactured by Door Distributors, Inc.. At the time, Olivia is not wearing any safety gear. In Olivia$$s product liability suit against Door Distributors, the company can most successfully raise the defense of$$

a$.$

$$comparative negligence.

b$.$

$$product misuse.

c$.$

$$preemption$.$

d$.$

$$inadequate warning.