Which of the Following Best Demonstrates the Concept of Vicarious

Which of the following best demonstrates the concept of vicarious liability?

A) Jack is employed by Jim as a trainee mechanic.Jack goes to a party and is asked by a friend,Mary,to check her car that won't start.Jack checks the car.A few minutes after Mary drives away,the car's ignition explodes,injuring Maggie.
B) A man's dog runs out of the house and mauls a letter carrier.
C) A cow leaves its pasture,walks into the garden of another farmer and destroys all the farmer's crops.
D) Jack is employed by Jim as a trainee mechanic.Jim's sister,Maggie brings her car to the shop.It has an engine problem.Jack has never worked on a car's engine before.Jim asks Jack to work on the engine.Jack works on the engine.Later when Maggie drives off in the car,the engine explodes,injuring Maggie.
E) none of the above