____ anyone phone during the board meeting, please tell them I am busy.A.ShouldB.WillC.MayD.Can
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A解析这题考查if非真实条件句的省略倒装句，这句话相当于：If anyone should phone during the board meeting, please tell them I am busy.可以省略if，将should提前，是一种虚拟语气，句意是：如果有人在委员会时打电话，告诉他我很忙。选A。