A、The weather yesterday. B、A polluted river. C、Hotel accommodations. D、The quality of the air. D根据W1提的问题即可立刻判断出所谈论的话题是今天的天气，符合这

W: Do you know anyone who can translate this document?
M: What about the new secretary? I heard he’s bilingual.
Q: What does the man mean?

W: Did you hear the weather report for today?
W: The pollution’s going to be so had they recommend staying indoors.
Q: What are speakers discussing?