The table shows the number of boys and girls in class 4 by section. What is the fraction of boys in class 4-A to the number of girls in classes 4-B and 4-C?

Question

(A) $\large\frac{5}{12}$ (B) $\large\frac{14}{21}$ (C) $\large\frac{5}{9}$ (D) $\large\frac{5}{21}$