Answer:
D. the strings, the woodwinds, the brass, and the percussion
Step-by-step explanation:
Orchestras are a large musical ensemble. The primary instruments needed are strings, woodwinds, brass, and percussion. Some examples of string instruments include the violin, the viola, and the cello. Woodwinds include instruments like the flute and the clarinet. Brass instruments include things like the horn, trumpet, and trombone. Lastly, percussion includes a variety of drums and cymbals. A piano and modern electronic instruments can also be found in orchestras.