"What are you doing, Rico?" Jake asked as he sat down next to his friend at the cafeteria table. Rico slammed his book closed and shook his head at Jake. "I'm supposed to be reading this book, but it's so boring! Why do I need to know about this stuff anyway?" Rico complained as he opened his can of soda. Jake looked at Rico's book with interest. "What are you reading about?" Jake asked. Rico shoved the book across the table at his friend. "Some person named Mae…Jenkins? Mae…Jennings? I have no idea," Rico replied. He unwrapped his sandwich and took a big bite. "Mae Jemison? She's not boring—she's cool!" Jake exclaimed as he flipped through Rico's book. Rico stared at his friend in disbelief. "It's true, Rico. I did a report on her in science class." "Sure, Jake, if you say so," he groaned. "Now, if only you had to do this paper instead of me…." "Look, Rico," Jake said as he returned Rico's book. "Mae Jemison was an astronaut with NASA, and she was the first African American woman to go into space. She grew up in Chicago, just like you and me. She served in the Peace Corps in Africa. She was even in an episode of Star Trek: The Next Generation!" Rico's eyes almost bugged out of his head. "Really?" he said as he opened his book and started reading. "Maybe I'll give this book another try after all!" Jake and Rico's relationship in this passage is most similar to the relationship between A:a doctor and a patient. B:a police officer and a suspect. C:a teacher and a student. D:a parent and a child.