A、He bas learned a lot from his own mistakes. B、He is quite experienced in training wild dogs. C、He finds reward more effective

M: Now，Miss, do you feel all right now? What happened?
W: Yes, I’m fine now, I was just at the motorway. I was driving along the main road and when suddenly right before the crossroads I met the car came out at the side street. I didn’t see it until it hit me.
Q: Where was the other car?

W: Your dog certainly seems to know you are his master. Did you have to punish him very often when you train him?
M: I found it’s much better to praise him when he obeys and not to be so fussy when he makes mistakes.
Q: What does the man say about training dogs?