TOEFL Listening: ETS-TOEFL听力机经 - YR5Q50872XCEU4B2P$

Why does the man mention his research in a day-care center? A. To share an experience that illustrates young children's musical abilities B. To explain why he believes that musical ability does not develop at the same rate in young children C. To find out if the professor approves of the day-care center's musical activities D. To question the conclusion of a research study mentioned by the professor