It would be B. which means this. So the complete sentence translated is I do not like that music, I prefer this. The other answer choices were not proper grammar so B. is your answer. I hope this helps!
1. La profesora es de Puerto Rico 2.Ella es puertorriqueña 3.El alumno está enfermo 4.La médica está en su consultorio 5.El bolígrafo es de plástico 6.La profesora está delante de la clase