Suppose $2+\sqrt{3}$ and $1-i$ are roots of the equation $\left(x^2+p x+1\right)\left(x^2-2 x+q\right)=0$ where $p, q$ are integers and $i=\sqrt{-1}$. Then $p+q$ is

• A

  -6
• Correct answer
  B

  -2
• C

  2
• D

  0

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