Concept:Reflexive pronouns refer back to the subject of the sentence.Explanation:The subject is "Kebba and Kwame", which is plural.The blank is the object of "care about" and refers back to the same people.So, we need a plural reflexive pronoun: "themselves".Options "each other" and "one another" suggest mutual care, which contradicts "very selfish".Option "himself" is singular and does not match the plural subject.Answer:A. themselves