It cabe inferred from the text that________.
·the improvement of average reactiotime of Americais owing to fast-actiovideo game playing
·more and more Americans will be advocated to play fast-actiovideo games because it cahelp to reduce accidents oroads
·not all video games will lead to better perceptual skills

单选题
·they do lead to unambiguous conclusion
·those who play action video games are more efficient in collecting sensory information around them
·meaningful processing of relevant information
·give a cold shoulder to
·the improvement of average reaction time of American is owing to fast-action video game playing