单选题The teacher ___ the 

问题补充：

单选题Theteacher___thestudentsnotto___quicklywhenansweringquestions.A.told, sayB.said, talkC.asked, speakD.spoke to, tell

答案：

C解析ask sb. to do sth.意为:要求某人做某事; speak意思是:讲.