C is the answer to this question...hope this helps.
Answer: D. increased in importance, sometimes providing special effects and overshadowing the voices.
Explanation: In nineteenth-century opera, the orchestra <u><em>increased in importance, sometimes providing special effects and overshadowing the voices</em></u>. An opera is a form of art in which the musicians and the singers combine music and text. It is usually performed in opera houses accompanied by an orchestra. The Romantic period was dominating the arts and the opera. There was a burst of interest for historic themes, supernatural beings, and nationalism, and these theme were displayed in operas.
The parthenon is a building where structures were kept Like a museum and a basilica is a church and the main difference is the Parthenon has a hole on the top for the water to drain through but the Basilica doesn’t
mozart is the answer im sure.