Speaker A: Do you have to have that record on quite so loudSpeaker B: ______

单项选择题Speaker A: I'd like to talk to Professor Smith, can you arrange it for meSpeaker B: ______

单项选择题Man: Uh ... Uh, looks like I am going to be a little late for class. I hope Professor Clark doesn't start on time today.Woman: Are you kidding You can set your watch by the time he starts his class.Question: What can be inferred about Professor Clark