【題組】87. According to the passage, why did the Harvard investigators conduct their own experiments?
(A) Harvard University attempted to provide further support to the importance of music.
(B) Their studies investigating the effects of music on human behavior received criticisms and challenges.
(C) The psychologist Elizabeth Spelke’s laboratory received a big sum of funding from the music industry.
(D) Their literature reviews revealed there was scarce evidence to support music can enhance intelligence.