The correct answer is B. Leads the eye
The line in this composition leads the eye from the top of the picture to the bottom. It represents a staircase and is meant to take the eye from the top down the where the text is written. The text is the main focus of the picture and is what your eye is supposed to be attracted to. The line enables your eye to do that.
Radoslav Kvapil is the only composer I can think of that wrote a "cycle" of piano pieces
A general rule or principle.
