The answer would be letter B. A zigzag is alternative geometry of the lockstitch. It is an alternating stitch where a straight stitch will not satisfy, like in building up buttonholes, in mending fabrics, and in temporary putting together two work pieces.
Proportion: Relation of one part to another, or of parts to the whole in respect to the size, height, width, and scale.
Composition: In the visual arts, composition is the placement or arrangement of visual elements or 'ingredients' in a work of art,
