$\lim _{x \rightarrow 0} \frac{x+2 \sin x+3 \tan x-\tan ^3 x}{\sqrt{x^2+2 \sin x+\tan x+3}-\sqrt{\sin ^2 x-2 \tan x-x+3}}=$

• Correct answer
  A

  $2 \sqrt{3}$
• B

  $10$
• C

  $25$
• D

  $\sqrt{17}$

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