Which of the Following Activities (All of Which Cause Serious

Which of the following activities (all of which cause serious injuries) is not an example for application of the doctrine of strict liability?

A) A welder, injured on the job in an automobile assembly plant, qualifies for payments under workers' compensation.
B) An elephant, used for many years to help raise a big circus tent, for an unknown reason goes berserk and seriously injures several onlookers among a large group of local residents watching the activity.
C) A heavy duty truck runs a red light and plows into an automobile in a downtown intersection, killing all of the occupants.
D) An undetected defect in the steering mechanism of a heavy-duty truck causes it to crash, killing its driver.