AMC 8 2011 Problem 19

How many rectangles are in this figure?

$\textbf{(A)}\ 8 \textbf{(B)}\ 9 \textbf{(C)}\ 10 \textbf{(D)}\ 11 \textbf{(E)}\ 12$

Dataset text NuminaMath-1.5. Quoted with source.

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