【題組】20 According to the passage, which of the following statements is true?
(A)Teenagers like to hang out in places where most adult shoppers visit.
(B)Teenagers in suburban areas have caused more problems than those in urban areas because suburban teenagers spend too much time fooling around in the mall.
(C)The installation of game arcades helps mall management keep teenagers in one area away from major shopping areas.
(D)Mall management should not encourage teenagers to hang out with their friends in the mall.