ডেনমার্কের রাজধানীর নাম কী?

Read the following question carefully and select the most appropriate option from the choices provided below.

In addition to selecting the correct answer, you are required to provide a clear and concise explanation justifying your choice. For maximum credit, your explanation should briefly state why the selected option is correct and why the other options are incorrect.

• Select only one correct option.
• Write your explanation in the designated text box below the choices.
• Ensure your reasoning is supported by relevant facts, formulas, or concepts.