题目内容:
Underwhatcircumstancedidparticipantsrespondcorrectlyfaster? A.Whentheywereincompletesilence.
B.Whentheywerelisteningtoslowandsadmusic.
C.WhentheywerelisteningtotheAutumnconcerto.
D.WhentheywerelisteningtotheSpringconcerto.
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析: