PART A: Which statement identifies the central idea of the text? A Experts have spent time researching how different the teenage brain is from adults’ brains, when they are actually more similar than different. B Teenagers often engage in risky behavior to fulfill the narrative they have been told about how teenagers are supposed to behave. C Explanations for why teenagers engage in risky behavior have been overly focused on brain development, rather than their natural need to explore the world. D Teenagers’ risky behavior is influenced by the combined effects of their hormone levels and their brain development.