Keep it in mind not to disturb the president at two o’clock this afternoon, when he a glo

Keep it in mind not to disturb the president at two o’clock this afternoon, when he a global joint meeting.
A. will host
B. hosts
C. is to host
D. will be hosting

A. will hostB. hostsC. is to host(答案→)D. will be hosting解析：句意：记住下午两点钟的时候不要去打扰总统，到时他正在举行一个全球联合会议。时间状语at two o’clock this afternoon是将来的时间，将来某个时间正在干某事，要用将来进行时。A表示将来会发生某事；B是一般现在时，表示经常性，习惯性的动作；C也可表将来打算做某事。所以选D。

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