单项选择题
M: What food shall I buy today
W: I want a green salad for lunch. For supper, I want some meat.
M: What kind of meat, madam
W: Beefsteak.
M: How much beefsteak do you want
W: About 2 pounds. Do we have enough bread and potatoes
M: We have enough bread. But we don’t have enough potatoes. Shall I buy some potatoes
A．A green salad and some potatoes.
B．Potatoes and beefsteak.
C．A green salad, beefsteak and potatoes.