Im having bad time with Art please help me..

The following are types of implied lines:


Closure, Edges, and Line of Sight


Line Personality and Abstract Lines


Outlines, Contour Lines, and Individual Lines


A line of sight is created when:


A)

The eye closes the space between objects or shapes


B)

The viewer looks where people or animals are gazing in the artwork.


C)

There is a change of value or color


D)

When one shape ends and another begins