分类：教育/科学-学习帮助
问题：English98Latertheydiscovered,___ 
 Later they discover, ___ was news to him, that Pamela was teh headmaster's daugher. A. that B. which  C what 请问 选择什么 为什么  请解释 谢谢 。
回答：选择C. what，what引导从句作插入语,而且what在从句中作was的主语,discovered的宾语是后面的that引导的从句。

Later they discovered, what was news to him, that Pamela was teh headmaster's daugher.