A、$36. B、$40. C、$100. D、$150.00 D本题是一道数学计算题。男士打算订一大一小两个房间，而大房间的价格是每晚30美元，小房间每晚20美元，本题提问他们住三天需要的费用，通过算式(30+20)*3就可以得出总费用为150美元，所以

M: Would you like to take a break and get a soda? We have had a long day.
W: Would I ever! I really need something refreshing.
Q: What does the woman mean?

M: We’d like two rooms, a small room and a large room both facing the garden.
W: Ok, sir. The small room is twenty dollars a night, and the large is thirty dollars a night.
Q: How much would the man pay for the rooms if they stay for three nights?