Read the following conversation and answer the question. 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? - The woman didn't expect it to be so warm at noon. - The weather turned cold all of a sudden. - The weather forecast was unreliable.
The weather turned cold all of a sudden.