Which option turns on the -extended-insert?

Answer: Option A

This question asks you about a special command in MySQL that helps you add data to your database. Let's break it down:
-extended-insert: This command is like a special switch that tells MySQL to use a more advanced way to insert data. It makes the process faster and more efficient.
The question asks which option turns on -extended-insert. Think of these options as different ways to tell MySQL to use this command.
The correct answer is Option D: -optimize
Why is this right? Because "-optimize" is the short form of "-extended-insert" that you use when starting MySQL.
Remember: In MySQL, you often use these short forms to make things quicker and easier to type!