A:2
B:22
C:42
D:4
—I want to see Mr. White. We have an appointment.
—I'm sorry, but he is not ________ at the moment, for the meeting hasn't ended.
***曾在一篇文章中说:“我军第二年作战的基本任务是:举行全国性的反攻,即以主力打到外线去,将战争引向国民党区域,在外线大量歼敌。”“全国性的反攻”开始的重要标志是 ( )