If the difference of the roots of the equation $x^2-7 x+10=0$ is same as the difference of the roots of the equation $\mathrm{x}^2-17 \mathrm{x}+\mathrm{k}=0$, then a divisor of k is

• Correct answer
  A

  $14$
• B

  $17$
• C

  $6$
• D

  $15$

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