AMC 8 2018 Problem 7

The $5$-digit number $\underline{2}$ $\underline{0}$ $\underline{1}$ $\underline{8}$ $\underline{U}$ is divisible by $9$. What is the remainder when this number is divided by $8$? $\textbf{(A) }1 \textbf{(B) }3 \textbf{(C) }5 \textbf{(D) }6 \textbf{(E) }7$