单项选择题
M: Look at them! They’re the latest Adidas shoes.
W: You’ve already had a pair of shoes.
M: They cost only $100.
W: $100 For a pair of shoes
M: But they are the latest. I just want to get them. There is a match next week. Oh, Mum, please!
W: Ok, this is the last time.
A. Teacher and student.
B. Father and son.
C. Mother and son.
D. Sister and brother.