Which of the following command$($s$)$ is$/$are not correct to the function

WriteLine$()?$

using static System.Console;

class DebugOne$1$

$\{$

static void Main$()$

$\{$

WriteLine $("$This program displays some keyboard punctuation"$)$;

WriteLine $("!$ exclamation point"$)$

WriteLine $("$@ at$-$sign"$)$;

WriteLine $(("$# pound sign or hash mark"$)$;

WriteLine $("$$ dollar sign$)$;

$\}$