【小题】 A【原文】W: Hi, Sam, how is your daughter doing at school?M: Well, since I bought a smartphone for Jillian last summer, it seems the phone has become an extension of her arm, and it has made it impossible for her to concentrate. That really upsets me.W: You are not alone in that. It is said that 95% of teenagers either own or have access to a smartphone. Some schools have put in place policies banning or controlling phone use during school hours. M: I’m all in favor of these policies.
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