Either the dean or the principal---the meeting

【答案】A
【解析】考查either.or.就近原则的用法
简单的例子：
Either you or I am right.
Either I or you are right.
答案看完了,就采纳一个呗!拜托啦!嘿嘿
百度答题人伤不起呀~%>_