TOEFL Listening: ETS-TOEFL听力机经 - 6PZ38HGYMP6D1934P$

What is the professor's attitude toward new trends in education? A. They have been responsible for major educational improvements in recent years. B. They can be ignored, since they rarely lead to improved teaching methods. C. Teachers should be aware of them but not adopt them without proof that they are effective. D. Teachers should put them into practice without further delay.