thE tonE oF thE ArtiClE ExprEssEs thE Author's ______.
A．ADmirAtion For thE mAnAgEr's willingnEss to ADmit mistAkEs
B．AngEr to thE mAnAgEr For his wrong ACCusAtion
C．inDignAtion AgAinst thE womAn who knoCkED oFF thE stACks oF CArtons
D．rEgrEt For thE mistAkE hE mADE in thE storE