If $$A = \begin{bmatrix}2 & 2 & 1\\1& 0 & 2\\2 & 1 & 2\end{bmatrix}$$ is the inverse of $$B = \begin{bmatrix} -2 & a & 4\\ 2 & 2 & -3\\ 1 & 2 & -2\end{bmatrix}$$ then a = 

A

4

B

3

C

0

D

-3