User: Which sentence has a grammatically parallel structure? Select one of the options below as your answer: A. The subjects taught to students in the public schools are the same as private schools. B. The subjects taught to students in public schools are the same as the students' subjects in the private schools. C. The subjects taught to students in public schools are the same as the subjects taught to students in private schools. D. The subjects taught to the students in public schools are the same as the subjects taught to the private school students.