Concept:Homicide is the general legal term for one person causing the death of another person.
Explanation:The sentence says the defendant caused his neighbour's death.
So we need a word that means killing another human being.
Patricide means killing one’s father.
Genocide means deliberately killing a large group of people.
Fratricide means killing one’s brother.
Only homicide correctly refers to the killing of any person by another person, including a neighbour.
Therefore, the defendant was charged with homicide for causing his neighbour's death.
Answer:C. homicide