Signnatel Inc, ______ world's largest maker of controller chips for MP3 players, is set to establish _______ new R & D centre in Hong Kong and open two sales offices on China's mainlandA.the; aB.the; theC.a; theD.a; a
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A解析考查冠词。Sigmatel Inc是世界上最大的MP3控制芯片制造商，最高级形容词前应用the；后一空指将要于香港创立一个新研发中心，散用不定冠词a。