第二节完型填空（共20小题；每小题1．5分，满分30分）阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 Charles and I used to hang out all the time, together with a few other guys, but he seemed too cool for us recently．We couldn’t understand the 36 , and we didn’t ask him for an explanation． 37 , we decided to 38 him a lesson in the way he treated us． Once we started giving Charles the 39 shoulder, almost everyone was taking no noti