Final answer:
The subject of this question is Spanish. The correct answer is 'OB. me'. The speaker is expressing their personal preference for science fiction novels.
Step-by-step explanation:
The subject of this question is Spanish. The correct answer is OB. me. In this sentence, 'A mí' indicates that the speaker is expressing their personal preference. The verb 'fascinan' means 'to fascinate' and 'las novelas de ciencia ficción' means 'science fiction novels'. The pronoun 'me' is used to indicate that the speaker is the one being fascinated by science fiction novels.
Learn more about Spanish pronouns