Which input for char c causes "Done" to be output next?

c $=\text{'}$y$\text{'}$; while $($c $=\text{'}$y$\text{'})\{//$ Do something printf$("$Enter y to continue, n to quit:

$")$; scanf$("\%$c$",$ &c$)$; $\}$ printf$("$Done

$")$;

Group of answer choices

Any value other than $\text{'}$y$\text{'}$

No such value $($infinite loop$)$

$\text{'}$n$\text{'}$ only

$\text{'}$y$\text{'}$ only