Getline(superstring, 30); Is Equivalent to Which of the Following

Multiple Choice

getline(superstring, 30) ; is equivalent to which of the following?

A) cin.getline(superstring, 30, '\0') ;
B) cin.getline(superstring, 30, '\n') ;
C) cin.getline(superstring, 30, '\s') ;
D) cin.getline(superstring, 30, '\t') ;