Which of the following statements is NOT true according to the text?

A、At Hogwanto chool Harry solves a mystery arring of Hagrid. . (iends.
B、 At Hogwarts school, Harry solves a mvstery that threatens the ws the world.
C、 At Hogwarts school, Harry is taken under the wing of Hagrid.
D、At Hogwarts school, Harrv studies magic skills and makes some close friends.