7. If $l$ and $m$ are two different lines, and $m$ is perpendicular to plane $\alpha$, then ``$l \perp m$'' is ``$l \parallel \alpha$'' a\\
\includegraphics[max width=\textwidth, alt={}, center]{af8058d3-52ab-42d0-ba33-0c5c3a276f48-01_577_237_1959_1676}\\
A. sufficient but not necessary condition\\
B. necessary but not sufficient condition\\
C. sufficient and necessary condition\\
D. neither sufficient nor necessary condition