A、The discount. B、The weight. C、The quantity. D、The distance. DWhat decides whether the delivery is flee or not? 本题为推理判断题。男士说"We

W: Good morning. I’m calling to inquire about your bookshelves.
M: Oh, yes. What would you like to know?
W: Well, I’d like to check on the size first.
M: The standard unit is 3.2 meters wide, 1.8 meters tall and 30 centimeters deep.
W: Thanks. That’s the dimension I need. How about the colors?
M: We have four choices, white, black, brown and gray.
W: I think brown is okay. Now what about the charge of the delivery?
M: Well, it depends on how far you are from our factory.
W: We’re about five miles from your factory.
M: I see. That’s in our free delivery area.