In the diagram, points A, B and C are plotted on a 7 \times 10 grid. Line segments join A, B and C. An ant walks directly from A to B to C to A along these line segments. The distance that the ant walks is equal to
Answer Choices
A. 40+\sqrt{13}
B. 13+\sqrt{39}
C. 15+\sqrt{149}
D. 13+\sqrt{89}
E. 26