Evaluate the following code：   SQL>VARIABLE task_name VARCHAR2（255）； SQL>VARIABLE sql_stmt VARCHAR2（4000）； SQL>BEGIN ：sql_stmt ：= ’SELECT COUNT（*） FROM customers  WHERE cust_state_province =’’CA’’’； ：task_name ：= ’MY_QUICKTUNE_TASK’；  DBMS_ADVISOR.QUICK_TUNE（DBMS_ADVISOR.SQLACCESS_ADVISOR，  ：task_name， ：sql_stmt）；  END；   What is the outcome of this block of code？（）  

• A、 It creates a task and workload， and executes the task.
• B、 It creates a task and workload but does not execute the task.
• C、 It produces an error because a template has not been created.
• D、 It produces an error because the SQL Tuning Set has not been created.