Renee Swan picked up her racket before swinging it full force at the neon green tennis ball . " Great job , Mom ! " Bella shouted , shielding a hand over her eyes as she watched the ball bounce out of sight .

Question with options to choose from: Why was Bella excited to see the player hit the tennis ball ?
OPT: (I) None of the above choices .; (II) Bella was happy to see her mother do well .; (III) Bella was happy to see her father do well .; (IV) Bella was happy to see her aunt do well .;
(II)