Which combination of musical instruments is most suitable for a string quartet? sodt

The general structure of a string quartet is:

Violin I

Violin II

Viola 

Cello

The Violin I plays the Soprano parts, the Violin II plays the Alto parts, the Viola plays the Tenor parts, and the Cello plays the Bass parts. The two most important parts of a string quartet are the Violin I and Cello. The Violin I and the Cello the melody plays the counterpoint, while the Violin II and Viola parts are filler parts that are there to make the piece sound nicer.

Your answer has to be c