If $$\begin{bmatrix}a & b^2 \\c^3 & 0 \end{bmatrix} = \begin{bmatrix}2 & 9 \\-8 & 0 \end{bmatrix}$$ where a, b, c are real numbers of which b < 0 then 3a + b + c =

A

0

B

1

C

-1

D

2