realize意为“意识到”，real意为“真实的”， read意为“阅读”， lazy意为“懒的”。 故B选项符合题意。
realize [ˈrɪəlaɪz] vt. 实现；认识到；了解
例句：As soon as we realized something was wrong, we moved the children away.
句意：我们一意识到出了问题，就立即把孩子们转移开了。