The figure below shown a circle with segment AB as its diameter. The center of the circle is NOT know. A square needs to be inscribed in the circle with A and B as a pair opposites vertices. Which step will be used in the construction?

A. Constructing a perpendicular bisector of a line segment

B. Constructing a segment that is tangent to the circle at a point A

C. Constructing four arcs on the circle's circumference with the compass width as the radius

D. Constructing a perpendicular to a line segment thought a point not lying on it​