Questions 24—26 are based on the passage about human intelligence. You now have 15 seconds to read Questions 24—26. According to the passage, the average I. Q. is ______.

A．Human personality.
B．His conscious theory.
C．His flee will.
D．Personality theory.

A．In a book.
B．In a newspaper.
C．In a magazine.
D．On the notice-board.