Respuesta :
the answer would be b, two violins, a viola, and a cello. the definition of a string quartet is a group of 4 musicians playing string instruments. all of the other answers would be wrong because they contain other instruments besides string instruments, like piano, horn, woodwind, and clarinet. i hope this helps! :D
Answer:
b
Explanation:
its the only one with only string instraments and it asked for a string quartet