You need to display the last names of those employees who have the letter “A” as the second character in their names.Which SQL statement displays the required results?（）

• A、SELECT last_name   FROM EMP   WHERE last_name LIKE ‘_A%’;
• B、SELECT last_name   FROM EMP   WHERE last name =’*A%’
• C、SELECT last_name   FROM EMP   WHERE last name =’_A%’;
• D、SELECT last_name   FROM EMP   WHERE last name LIKE ‘*A%’