A. Accident or misfortune.
B. Accident or misfortune, without any criminal intention or knowledge.
C. Accident or misfortune, without any criminal intention or knowledge of a lawful act in a lawful manner.
D. Accident or misfortune, without any criminal intention or knowledge of a lawful act in a lawful manner by lawful means, and with proper care and caution.
✅ The correct answer is option D.