The measures of a triangle’s three interior angles are in the ratio 1: 4: 7. What are the measures of the angles?
Answer Choices
A. 12^{\circ}, 48^{\circ}, 120^{\circ}
B. 10^{\circ}, 40^{\circ}, 70^{\circ}
C. 20^{\circ}, 25^{\circ}, 155^{\circ}
D. 15^{\circ}, 60^{\circ}, 105^{\circ}
E. 14^{\circ}, 56^{\circ}, 110^{\circ}