Question $30$We want to initialize a character array named vowels with letters a$,$ e$,$ i$,$ o$,$ and u$.$ What is the correct way to do it$?$O char vowels $-$ "aeiou";O char vowels $-(\text{'}$a$,\text{'}$e$,1,\text{'}$o$,\text{'}$u$\text{'})$; char vowels! $=(\text{'}$a$,\text{'}$e$,\text{'}1,\text{'}$o$,\text{'}$u;O char vowels$[0]=(\text{'}$a$,\text{'}$e$,$ T$\text{'},$o$,$u$\text{'})$;