$\lim _{x \rightarrow 0} \frac{x \tan 2 x-2 x \tan x}{(1-\cos 3 x)(\operatorname{cosec} x-\cot x)^2}=$

• A

  $\frac{4}{9}$
• B

  $\frac{8}{9}$
• Correct answer
  C

  $\frac{16}{9}$
• D

  $\frac{32}{9}$

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