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单项选择题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%'

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