What Is the Size of the Matrix $\left[\begin{array}{rr}2 & 9 \\ -5 & -2\end{array}\right]$

Multiple Choice

What is the size of the matrix?
$\left[\begin{array}{rr}2 & 9 \\ -5 & -2\end{array}\right]$

A) 1
B) 2
C) $2 \times 2$
D) 4