Which of the following general statements about Romantic Period opera is TRUE?
a. Romantic Period composers favored more comic themes to increase box office success.
b. Romantic Period composers began to use more spoken dialogue to contrast with the arias and ensembles.
c. Romantic Period composers expanded the use of the orchestra in opera to create more dramatic fluidity.
d. Romantic Period composers created clearer distinctions between aria and recitative by using the harpsichord in contrast with the orchestra.