Answer:
A. reflexive
Explanation:
The only pronoun in this question is "herself," which means that this is most likely the pronoun you are referring to. "Herself" is a reflexive pronoun. A reflexive pronoun is used when the object is the same as the subject of the verb. In this case, the subject of the verb "buried" is the sister, while the recipient of the action is also her. Therefore, we employ a reflexive pronoun.
