37.(A) To validate the causal relationship between the two abilities, longitudinal experimental studies are warranted. (B) In addition to the above explanatory account, it is also conceivable that cognitive factors may contribute to an individual’s success in music and mathematics. (C) In fact, no existing study has established the causal relationship between the two abilities. (D) Whether the two abilities share a similar prerequisite remains a debated issue.(E) Or, alternatively, the two abilities simply develop in parallel.