$\lim _{x \rightarrow \frac{\pi}{4}} \frac{2 \sqrt{2}-(\cos x+\sin x)^3}{1-\sin 2 x}=$

• A

  $\frac{1}{\sqrt{2}}$
• B

  $\frac{3}{2}$
• Correct answer
  C

  $\frac{3}{\sqrt{2}}$
• D

  $\frac{\sqrt{3}}{2}$

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