$HCl$ reacts with $Na$ metal to produce:

The correct option is B $H_2$ gas
$\left(A\right)$ $H_2$ gas

$Reason$ : Sodium($Na$) metal reacts with hydrochloric acid($HCl$) to produce salt,i.e., sodium chloride($NaCl$),and hydrogen gas($H_2$). This is a single displacement reaction.

$2Na+2HCl\to 2NaCl+H_2$