AMC 8 2011 Problem 22

What is the tens digit of $7^{2011}$ ? $\textbf{(A) }0 \textbf{(B) }1 \textbf{(C) }3 \textbf{(D) }4 \textbf{(E) }7$

Dataset text NuminaMath-1.5. Quoted with source.

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