Bella shouted , shielding a hand over her eyes as she watched the ball bounce out of sight . Renee punched a fist in the air and shouted happily . But Bella was barely listening . She was watching the instructor , only a few years older than her mere fourteen years , prepare for another serve .

Question with options to choose from: Why did Renee punch a fist in the air and shout happily ?
Select from the following. (I). Renee punched a fist in the air and shouted happily because Bella is now finally paying attention to her .; (II). None of the above choices .; (III). Renee punched a fist in the air and shouted happily because she wanted to impress Bella with her skills .; (IV). Renee punched a fist in the air and shouted happily because she managed to score against the instructor .;
(IV).