AMC 10B 2013 Problem 13

Jo and Blair take turns counting from 1 to one more than the last number said by the other person. Jo starts by saying 1 , so Blair follows by saying 1, 2 . Jo then says $ 1,2,3 $, and so on. What is the 53^{\text {rd }} number said?

Answer Choices
A. 2
B. 3
C. 5
D. 6
E. 8