$\text{ If }\mathrm{f}\left(0\right)=0,{\mathrm{f}}^{\mathrm{I}}\left(0\right)=2\text{ then the derivative of }y=f\left(f\right(f\left(f\right(x\left)\right)\left)\right)\text{ at }\mathrm{x}=0\text{ is }$

• A

  2

• B

  6

• C

  16

• D

  4