【题目】Not when and where we should meet, I telephoned our monitor for detailed information.
A. know B. knew C. known D. knowing
在线课程【答案】D
【解析】
试题分析：考查分词做状语。动词know与句子主语I构成主动关系，所以使用现在分词短语“knowing when and where we should meet”在句中做状语。句意：不主动我们何时何地集中，我打电话给班长咨询具体信息。故D项正确。