题目

It was Thanksgiving morning. I was busy preparing the traditional Thanksgiving turkey when the doorbell rang. I opened the front door and saw two small children in rags huddling together on the top step. “Any old papers, lady？” asked one of them. I was busy. I wanted to say “no” until I looked down at their feet. They were wearing thin little sandals(凉鞋), wet with heavy snow. “Come in and I'll make you a cup of hot cocoa.” They walked over and sat down at the table. Their wet sandals left marks upon the floor. I served them cocoa and bread to fight against the cold 已知x与函数f(x)的对应关系如下表所示，数列{an}满足：a1＝3，an＋1＝f(an)，则a2014＝(　　) x 1 2 3 f(x) 2 3 1 A.3　　　　B．2　　　　C．1　　　　D．不确定