Give Most Accurate Response

Give most accurate response. A enters by night a house which he is legally entitled to enter. Z in good faith, taking A for a housebreaker, attacks A and causes injury. In this case :

A) Since A was legally entitled to enter the house, Z would be liable for voluntarily causing hurt to A.
B) Z will be liable because he has acted in haste without exercising proper care and attention to ascertain whether A was an inhabitant or a house-breaker.
C) Z will not be liable because he has acted under a mistaken belief that A was a burglar.
D) Z will not be liable because he has acted in the exercise of his right of private defence of property under a misconception that A was a house-breaker.