问题描述：
Anne felt nervous( )she gave a speech in front of so many students.
Anne felt nervous( )she gave a speech in front of so many students.A,for the first time B,the first time C,at the first time D,the first time that 为什么答案选B,不选C?
Anne felt nervous( )she gave a speech in front of so many students.A,for the first time B,the first time C,at the first time D,the first time that 为什么答案选B,不选C?
问题解答：
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