Concept:The word "slaughtered" means to kill animals, usually for food.Explanation:In the sentence, Mr Nunyah slaughtered some of his bulls. The action refers to ending the animals' lives. Among the options, "killed" is the nearest in meaning. "Treated" means giving medical care, "examined" means inspecting, and "castrated" means removing reproductive organs. These do not match "slaughtered."Answer:A. killed