Predict the product of the following reaction:
$C_6H_5NHCH_3 + NaNO_2 + HCl \rightarrow \text{Product}$

• A
  $N$-nitroso-$N$-methylaniline
• B
  $o$-nitroso-$N$-methylaniline + $p$-nitroso-$N$-methylaniline
• C
  $N$-hydroxy-$N$-methylaniline
• D
  $N$-methyl-$N$-nitrosoaniline