Answer:
Option A. Place the microphone’ s shock mount near the source of sound.
is the correct answer.
Step-by-step explanation:
Rick should use shock mount with the microphone so that any kind of background sound don't get recorded with his music.
A microphone's shock mount is a mechanical way of fastening the microphone in such a way that two parts are connected elastically. By using it we can avoid any kind of disturbance including shocks and vibrations. This is also known as isolation mount.
Isolation mounts are also used in submarines during critical missions in order to keep the environment quite.
I hope it will help you!