Multiply $\begin{array} { r } 35 _ { \text {seven } } \\\times \quad 5 \text { seven } \\\hline\end{array}$

Multiply.
$\begin{array} { r } 35 _ { \text {seven } } \\\times \quad 5 \text { seven } \\\hline\end{array}$

A) $130 _ { \text {seven } }$

B) $244_ { \text {seven } }$

C) $175_ { \text {seven } }$

D) $340 _ { \text {seven } }$