阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
On a trip to California, my family stopped for lunch. As we walked toward the entrance to the restaurant, a man, with a 21 beard and dirty hair, jumped up from a bench and opened the door for us．Regardless of his 22 , he greeted us in a friendly way．
