Following the generate() method, which of the four method calls in this code can be removed and have the method still compile and run without error? 

A. filter()

B. sorted()

C. filter() and sorted().

D. filter() and ifPresent().

E. filter(), sorted(), and ifPresent().

F. filter(), sorted(), findFirst(), and ifPresent().

public static void main(String[] args) { Stream.generate(() -> 'a') .limit (5) .filter (c> c < 'b') .sorted () } .findFirst() .ifPresent (System.out::print);