TOEFL Listening: TPO-TOEFL听力TPO - 4MG2WXZLC8J0V514R$

Why does the professor say this: A. To emphasize how wasteful the albatross behavior is B. To encourage students to reflect on how impressive the albatross behavior is C. To signal that she is about to introduce a new topic D. To find out whether the students have understood her explanations