TOEFL Listening: TPO-TOEFL阅读TPO - 1GKRJ15K5FBF1454N$

The passage mentions "developmental psychologist David Elkind" in order to A. give an example of an expert who has designed an effective early childhood education program B. introduce an alternative view about the value of early childhood education C. explain why early childhood education programs are less effective in the United States than in other countries D. refute the claim that academic success is dependent on factors outside parents' control