What happens at the beginning of each iteration of the repeat loop in this code? function playLevel splash "Level" convert level to text repeat times do set shark to sprite of kind Enemy set shark position to x ey set shark follow fish with speed 20 pause 2000 ms OA. The number of sharks increases. OB. The shark follows the fish at a speed of 20. OC. The shark pauses for 2 seconds. OD. An enemy shark sprite is created.