Answer:
Option B
Explanation:
Bill Monroe is known as the father of the bluegrass music genre and he is known for playing the "mandolin" or option B, which is an instrument not often played in modern day but is in the guitar family consists of strings and is fairly smaller than your regular guitar. Bill Monroe was born on September 11th, 1911 and is a very well known influential singer who unfortunately passed in 1996 of September.
Hope this helps.
