TOEFL Listening: ETS-TOEFL听力机经 - N1Q878ME31Q8F610P$

According to the professor, what is unusual about the Younger Dryas? A. It occurred only in areas where the dryas flower lived, B. It consisted of several mini ice ages. C. The climate change occurred over a relatively short period of time. D. The temperature decrease was small compared to that of most other ice ages.