我是一个听过您课的学生，有的地方学了还不太会用，请孙老师帮我看看这道题：The president promised to keep all the board members ____of how the negotiations were going on. A.inform B.informed C.informing D.being informed 这道题为什么选 B ？
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作者: 124.200.53.* 2011-05-20 21:43:52.000
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回复:急！请孙老师解答
The president promised to keep all the board members ____of how the negotiations were going on. =The president promised to keep all the board members ____which was informed of how the negotiations were going on.
