A circular spinner is divided into three sections. An arrow is attached to the centre of the spinner. The arrow is spun once. The probability that the arrow stops on the largest section is 50 \%. The probability it stops on the next largest section is 1 in 3 . The probability it stops on the smallest section is
Answer Choices
A. \frac{1}{4}
B. \frac{2}{5}
C. \frac{1}{6}
D. \frac{2}{7}
E. \frac{3}{10}