Evaluate the Combination $\left( \begin{array} { l } 7 \\1\end{array} \right)$

Multiple Choice

Evaluate the combination.
- $\left( \begin{array} { l } 7 \\1\end{array} \right)$

A) 5040
B) 7
C) $\frac { 7 } { 6 }$
D) 720