A、Tourist and guide. B、Teacher and student. C、Two friends. D、Two strangers. C

W: Could you tell me your recipe for chocolate chip cookies?
M: Sure. But it% pretty complicated. You might want to write this down.
W: I’m afraid I don’t have a pencil, but go ahead anyway.
M: Okay. First, mix together 2 cups of flour and a teaspoon of baking soda. Then add a teaspoon of salt. After that, mix together a cup of butter and a cup of sugar in a separate bowl. Are you with me so far?
W: Yes. I’m following you.
M: Okay. Then add 2 eggs. Next, combine all the ingredients in a large bowl. And then...
W: Wait a minute! I didn’t get that. Could you repeat the last two instructions?
M: Sure. Add 2 eggs. And combine all the ingredients in a large bowl.
W: Okay. I’ve got it.
M: Good. Now, where was I? Oh, yes. Slowly mix in a cup of chocolate chips and a cup of nuts. Then form little cookies from the mixture and place them on a cookie sheet. And finally, bake for 8 minutes at 376 degrees Fahrenheit. Have you got all that?
W: I think so. But let me repeat that back to make sure. First, I...