【单选题】1 On average, Americans spend just over 32 hours a week listening to music in 2017, up 5.5 hours over last year. How is this possible? Technology. At home, at work and traveling in between, people are...
A.
Personalized music tech.
B.
Smartphones, laptops, and tablets.
C.
Voice-controlled devices.
D.
High-end specialized headphone.