【题目】_____ excited the whole nation most is _____ more than 100 workers who were trapped under the coal mine in north China have been rescued.
A. It; that B. That; whether
C. What; whether D. What; that
在线课程【答案】D
【解析】
试题分析：考查名词性从句。句意：令全国兴奋的是100个被困的矿工已经被救出。What引导主语从句，在主语从句中做主语，that引导表语从句，故选D项。
考点 : 考查名词性从句