A rational number is selected at random from the distinct rational numbers of the form $\mathrm{p} / \mathrm{q}$ formed with p and q belonging to the set $\{1,2,3,4,5,6\}$. The probability that the rational number selected is a proper fraction, is

• A

  $\frac{1}{2}$
• B

  $\frac{5}{6}$
• Correct answer
  C

  $\frac{11}{23}$
• D

  $\frac{13}{35}$

Hence, the correct answer is option: 'C'.