John Was Driving Home One Night in a Terrible Snow

John was driving home one night in a terrible snow storm when his car stalled.He managed to push the car onto a small shopping center's parking lot.The next day about noon he came to get the car and it had been towed away by the owner of the parking lot.The owner explained she had to remove the car to clean the snow off her lot and told John where the car had been towed.Which statement is correct?

A) The owner of the parking lot is liable for conversion. She took John's car without his consent.
B) The parking lot owner has a qualified privilege for towing the car since it was a business necessity.
C) Even though John left his car in the parking lot under emergency conditions, he still committed a trespass on the owner's property.
D) All the above are correct.