Frieda Is Working on a Construction Site When She Is

Multiple Choice

Frieda is working on a construction site when she is injured on the job in the collapse of a Girder Company-made ceiling beam. At the time,Frieda is not wearing a hard hat or any other safety gear. In Frieda's product liability suit against Girder,the company can most successfully raise the defense of

A) preemption.
B) inadequate warning.
C) comparative negligence.
D) product misuse.