You executed the following code：   BEGIN   DBMS_SCHEDULER.SET_ATTRIBUTE  （  NAME => ’JOB_A’，   ATTRIBUTE => ’JOB_PRIORITY’，   VALUE => 7）；   END；  /   After analyzing the above code， what conclusion will you draw？（）  

• A、 The code will be executed successfully.
• B、 The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3.
• C、 The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5.
• D、 The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.