W: You look like you are freezing to death. Why don't you put this on? M: Thank you, it was so warm at noon, I didn't expect the weather to change so quickly., Question: What do we learn from the conversation? (A) The woman didn't expect it to be so warm at noon. (B) The weather turned cold all of a sudden. (C) The weather forecast was unreliable.
(B) The weather turned cold all of a sudden.