I’d suggest downloading the app, it helps explain everything.
Answer:
Your answer would be a Quarter rest
Explanation:
An eighth rest has a tail on the stem, a half rest has an open note head, and a whole rest is just an open circle. Only a quarter rest has a stem and a solid note head
To me, I know of Williams through films like Star Wars and Jurassic Park, the latter directed by Spielberg. So, the answer would be A!
The guitar is usually not an orchestral instrument.
