Which of the Following Is an Example of a False

Which of the following is an example of a false belief from a test of a child's mental perspective taking?

A) A boy says that stones will become smaller when they are cooked.
B) After being shown that a box contains pencils, a boy reports that a friend will think a box contains pencils even though it looks as if it contains candy.
C) A girl reports that because graveyards are filled with dead people, graveyards cause people to die.
D) After closely examining a sponge which has been made to look exactly like a rock, a girl reports that it looks like a sponge even when it looks more like a rock.