The sum of three numbers is 2, the 1st number is $$\frac{1}{2}$$ times the 2nd and the 3rd number is $$\frac{1}{4}$$ times the 2nd number. The 2nd number is :

• A. $\frac{7}{6}$$
• B. $\frac{8}{7}$$
• C. $\frac{9}{8}$$
• D. $\frac{10}{9}$$