These types of stories are called "myths" and all the myths of a nation collected are called the mythology. Famous examples of mythologies are Greek Mythology (gods such as Zeus, Hercules, and similar), and Egyptian Mythology (gods such as Osiris, Anubis, and similar).
Answer: alternative D, since the word "secret" expresses that the child knows she isn't supposed to show the way she' been acting, probably because she knows it's unacceptable. This way, we can see she's lost the innocence from being a child.
