Read this sentence from paragraph 3. "More and more of a pilot's job was being done by automated programs, and researchers were becoming concerned that pilots, being less engaged, would have trouble maintaining focus." Which detail from the passage supports the idea that engagement and focus are connected? A. "And because they're choosing, they're more engaged and having a more successful outcome." (paragraph 11) B. "The SMART BrainGames system, released in 2003, made it harder to control the play as the user's attention wandered." (paragraph 6) C. "The glasses would darken as the user became distracted, providing a real-time incentive to stay focused." (paragraph 7) D. "But Greco said the core customer base will be home users who struggle with attention disorders or just want to improve their concentration." (paragraph 17)