Answer: A) They bought concert tickets for me and themselves.
Step-by-step explanation: Reflexive pronouns are words ending in -self or -selves that are used when the subject and the object of a sentence are the same. The reflexive pronouns are myself, yourself, himself, herself, oneself, itself, ourselves, yourselves, and themselves. From the given options the sentence that uses a reflexive pronoun correctly is option A: They bought concert tickets for me and themselves, because, as we can see, the subject of the sentence (they) and the object (themselves) are the same.