The correct answer is letter B
The Tower of Hanoi game is a "puzzle" consisting of a base containing three pins, one of which is placed a few disks on top of each other, in increasing order of diameter, from top to bottom.
Objective: move all the disks to the right pin.
Rules: clicking and dragging with the mouse, you must move one disk at a time, a larger disk can never be on top of a smaller disk.