单项选择题A.Music they like can relieve depression but distract attention.B.Music they like can reduce stress and improve concentration.C.Classical music and rock-and-roll increases their heart rate and expands the breathing.D.Wearing headphones can help concentrate when they are performing operations.
A.Music they like can relieve depression but distract attention.
B.Music they like can reduce stress and improve concentration.
C.Classical music and rock-and-roll increases their heart rate and expands the breathing.
D.Wearing headphones can help concentrate when they are performing operations.