Consider class Foo with the following definitions: public class Foo { public int a; private int b; protected int c; public void doThis) { [... method code here ...] } which of the following are NOT directly available (i.e., available by name) to a child class of Foo? You can assume the child class is in the same package as Foo. ◯ a ◯ c ◯ do This ◯ All instance variables and methods defined in Foo as given above are directly available. ◯ b