Which of the following operations result myString to be a string with the content "Hello world"?

Quotation marks are not a part of the string. Assume the string library is already included$).$

char myString$[12]$;

strcpy$($myString$,$ "Hello world"$)$;

char myString$[11]=\{\text{'}$H$\text{'},\text{'}$e$\text{'},\text{'}$l$\text{'},\text{'}$I$\text{'},\text{'}$o$\text{'},\text{'}$

$\text{'},\text{'}$w$\text{'},\text{'}$o$\text{'},\text{'}$r$\text{'},\text{'}$l$\text{'},\text{'}$d$\text{'}\}$;

float myString $[]\text{'}$H$\text{'},\text{'}$e$\text{'},\text{'}$I$\text{'},\text{'}$I$\text{'},\text{'}$o$\text{'},\text{'}\text{'},$

$\text{'}$w$\text{'},\text{'}$o$\text{'},\text{'}$r$\text{'},\text{'}$l$\text{'},\text{'}$d$\text{'},\text{'}\backslash 0\text{'}\}$;

char myString$[]=$ "Hello world";

char myString$[5]=$ "Hello world";