30 POINTS! PLZ ANSWER CORRECTLY! WILL GIVE BRAINIEST! ANSWER QUICKLY! Which compound sentence is correctly punctuated?

A. Ronnie played the piano and his sister sang a solo.
B. Ronnie played the piano and his sister, sang a solo.
C. Ronnie played the piano and, his sister sang a solo.
D. Ronnie played the piano, and his sister sang a solo.

AND THE OTHER QUESTIONS ARE ATTACHED PLZ ANSWER ALL OF THEM THANK YOU SO MUCH!