According to Reilly， when people work on the computer， they can easily have access to social media， which makes it difficult for them to concentrate properly on what they are doing.

According to Reilly， when people work on the computer， they can easily have access to social media， which makes it difficult for them to concentrate properly on what they are doing.

A、正确

B、错误

正确答案：A

答案解析：在当今数字化环境下，社交媒体具有极大的吸引力和便捷性。当人们使用电脑工作时，各种社交软件的通知、消息等很容易分散注意力。Reilly在其90天脱离电子设备的项目体验中，应该深刻感受到了在正常使用电脑工作时，社交媒体对专注力的干扰。所以，该表述符合实际情况，是正确的。