TOEFL Listening: TPO-TOEFL听力TPO - EDWDFNKX8WD899ZTR$

According to the professor, why did the piano become more popular than the harpsichord? A. Piano music was easier to compose than harpsichord music. B. Piano music was better for accompanying the popular new dances of the 1700s. C. The piano had a more attractive size and shape than the harpsichord. D. The piano could express a wider range of emotions than the harpsichord.