Which Is an Appropriate Use of the Defense of Property

Which is an appropriate use of the defense of property rule?

A) electrifying a perimeter fence so that an intruder will receive an unpleasant buzz if he or she attempts to scale the fence.
B) setting a piano wire across a path on private property to discourage snowmobiling and dirt biking
C) setting a loaded gun trap designed to shoot an intruder while the occupant is not home.
D) placing a vicious guard dog known for its propensity to bite inside one's yard
E) None of the above are appropriate.