If the length of the chord $2 x+3 y+\mathrm{k}=0$ of the circle $x^2+y^2-2 x+4 y-11=0$ is $2 \sqrt{3}$, then the sum of all possible values of $k$ is

• A

  $26$
• Correct answer
  B

  $8$
• C

  $13$
• D

  $4$

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