托福考试

【单选题】
A、( It increased the students’ while blood cell count
B、It increased some students’ energy level
C、It improved the students’ ability to play musical instruments
D、It released a natural painkiller in some students’ bodies

网考网参考答案：D
网考网解析：
[听力原文] In the study of students exposed to classic music, what effect did the music have document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>