Final answer:
To find the current view in the 3D Viewport, look at 2) the bottom-right corner of the viewport. Hence, option 2) is correct.
Step-by-step explanation:
To find out what view you are currently in on the 3D viewport in Blender, you can look at the bottom-right corner of the viewport. There, you will see an annotation indicating the current view, such as 'Front', 'Right', 'Top', etc.