$\lim _{x \rightarrow 0} \frac{(\operatorname{cosec} x-\cot x)\left(e^x-e^{-x}\right)}{\sqrt{3}-\sqrt{2+\cos x}}=$

• A

  $3 \sqrt{2}$
• B

  $2 \sqrt{3}$
• C

  $3 \sqrt{3}$
• Correct answer
  D

  $4 \sqrt{3}$

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