[填空题]Most Internet video looks unclear at full width ______ because the speed of the users’ connection.

[单项选择]Good looks, the video-games industry is discovering, will get you only so far. The graphics on a modern game may far outstrip the pixellated blobs of the 1980s, but there is more to a good game than eye candy. Photo-realistic graphics make the lack of authenticity of other aspects of gameplay more apparent. It is not enough for game characters to look better—their behaviour must also be more sophisticated, say researchers working at the interface between gaming and artificial intelligence(AI).
Today’ s games may look better, but the gameplay is"basically the same" as it was a few years ago, says Michael Mateas, the founder of the Experimental Game Lab at the Georgia Institute of Technology. AI, he suggests, offers an" untapped frontier" of new possibilities. "We are topping out on the graphics, so what’ s going to be the next thing that improves gameplay" asks John Laird, director of the A1 lab at the University of Michigan. Improved Al is a big part of the answer, he says. Those
A. increase communication between the eastern and western spheres.
B. garantee the traffic of the gameplayers and the innovation of ideas.
C. cooperate to make more money from the computer game industry.
D. tap the commercial and academic use of A1 through further communication.