考察下面的函数：
CREATE OR REPLACE FUNCTION CALC_PLAYER_AVG
(V_ID IN PLAYER_BAT_STAT. PLAYER_ID%TYPE)
RETURN NUMBER
IS
V_AVG NUMBER;
BEGIN
SELECT HITS/AT_BATS
INTO V_AVG
FROM PLAYER_BAT_STAT
WHERE PLAYER_ID=V_ID;
RETURN(V_AVG);
END;
下列哪条语句可以成功调用函数：( )
SELECT CALC_PLAYER_AVG(PLAYER_ID) FROM PLAYER_BAT_STAT;
EXECUTE CALC_PLAYER_AVG(31);
CALC_PLAYER(‘RUTH’);
CALC_PLAYER_AVG(31);
