Lisa was busy taking notes ______ Mark was searching the Internet for the inform

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问题 Lisa was busy taking notes ______ Mark was searching the Internet for the information.

选项 A、until
B、unless
C、while
D、if

答案 C

解析本题考查对连词用法的掌握。until意为“到……为止，在……以前，直到……才”；unless意为“如果不，除非”；while意为“当……的时候；然而”；if意为“如果”。这里是说丽莎正忙于做笔记，而马克正在互联网上查信息。故答案选C。

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