The technology for creating virtual advertisements has been around since 1995. Originally this type of advertising was used in sporting events. Virtual advertisements were placed where real advertisements would be distracting to players. For example, at a baseball game, the wall behind the batter and the umpire is called the backstop. Using computer technology, pictures of products and slogans can be drawn onto this wall and then broadcast during the game. Viewers of the game at home will see huge red and white advertisements for Coca-Cola plastered all across the backstop. But the pitcher in the stadium only sees the blank wall of the backstop. Advertisements can also be drawn by computers in the grass-covered center field at a soccer game or on the side of a virtual blimp drawn on the sky over the stadium. 【題組】11 According to the passage, which of the following statements is true?
(A) Virtual advertisements are more effective than real advertisements
(B) Virtual advertisements do not catch sports players’ attention.
(C) Both virtual and real advertisements get in sports players’ way
(D) Virtual advertisements are only used in sports games.
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