第4题: [单项选择]According to the passage, the great development of Turnitin is due to ______. A. its superb management B. the thriving of academic cheating C. its big electronic eye D. the test of its software by the Joint Information Systems Committee 参考答案:B 答案解析:[解析] 选项A原文中没有提及。C项是Turnitin公司发展的后果,即生产出一种产品,但不是原因。D项只是说Joint Information Systems Committee测试了这一软件,但这