Tatsouka 2009

What is the value of $4$ $\dfrac{2}{7}$ $-$ $1$ $\dfrac{3}{6}$?
A. $2\dfrac{11}{14}$
B. $\dfrac{5}{13}$
C. $\dfrac{14}{13}$
D. $1$
E. $\dfrac{25}{14}$