Which of the Following Statements About Manipulating Objects in a Set

Multiple Choice

Which of the following statements about manipulating objects in a set is correct?

A) If you try to add an element that already exists, an exception will occur.
B) A set iterator visits elements in the order in which they were added to the set.
C) You can add an element at the position indicated by an iterator.
D) You can remove an element at the position indicated by an iterator.