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:$\dfrac{1}{4}$  B:$\dfrac{1}{3}$  C:$\dfrac{3}{8}$  D:$\dfrac{1}{2}$  E:$\dfrac{2}{3}$  请回答其中一个选项.