How is the central idea developed throughout Passage 2? (Bumps Ahead on Easy Street?) A. by explaining the characteristics and challenges to be faced by baby boomers

B. by detailing the ways in which baby boomers can avoid financial problems late in life

C. by listing examples of specific baby boomers and how they are experiencing retirement

D. by highlighting the reasons why the next group of baby boomers will be more successful than previous generations