In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

M: We'd like two rooms, a small room and a large room both facing the garden. W: Very good, sir. The small room is twenty dollars a night, and the large room is thirty dollars a night.
How much would the man pay for the rooms if he and his family stay for three nights? (A) $36. (B) $40. (C) $150.