The correct answer is C. F2.
F2 is the keyboard shortcut for renaming a file or folder in Windows. To rename a file or folder, simply select it and then press F2. The name of the file or folder will be highlighted, and you can then type in a new name. When you are finished, press Enter.
F3 is the keyboard shortcut for opening the search bar in Windows. F4 is the keyboard shortcut for closing the active window. F7 is the keyboard shortcut for spell checking the active document.
I hope this helps! Let me know if you have any other questions.