Abe holds 1 green and 1 red jelly bean in his hand. Bob holds 1 green, 1 yellow, and 2 red jelly beans in his hand. Each randomly picks a jelly bean to show the other. What is the probability that the colors match? (2013 AMC 8 Problem, Question \#14) 
选项为:A:$\frac{1}{4}$  B:$\frac{1}{3}$  C:$\frac{3}{8}$  D:$\frac{1}{2}$  E:$\frac{2}{3}$  请回答其中一个选项.