[2/2] Aの筆者とBの筆者が共通して認識している「学校におけるスマートフォンの影響」とは何か。

Both authors focus on the significant impact of smartphones on student life and learning—Author A sees it as a negative distraction requiring a ban, whereas Author B sees it as a powerful tool requiring guidance. Both agree that the device has a major impact on education and students. The other options represent extreme or incorrect claims not made by the authors.