Choose the sentence that shows the CORRECT use of a comma in a compound sentence. A compound sentence is two complete sentences joined together with a comma and a conjunction

My brother flies an airplane, but he is not a commercial pilot.
I take vitamins everyday, yet, I still feel tired.
An athlete can play football, or, he could choose to be a baseball player.
Darla watches television everyday and she enjoys the soap, operas.

My brother flies an airplane, but he is not a commercial pilot.