I think the answer is musical style
A). They were made using heavy, dark outlines and D). They show figures with long limbs and faces and are similar in style to paintings by EL Greco are your answers .-.
Hatching is a technique used by artists to create tonal or shading effects in their drawings. Cross hatching and contour hatching are two of the 6 basic hatching techniques. Cross hatching uses <span>fine parallel lines drawn closely together to create the illusion of shade or texture in a </span>drawing. A<span>fter laying down one pass of hatch marks, another set of hatch marks are drawn on top, usually in a perpendicular or near-perpendicular direction to the first set. </span>While in contour hatching<span> there is only one set of hatch marks, and these are lines follow the contours of the subject. </span>
<span>Of the contemporary artists who are exploring large-scale drawings on walls,
Gary Simmons specializes in the medium of chalk.
He is an American artist who often uses cultural stereotypes in his art in order to convey a specific message. He is one of the rare artists today who uses chalk in order to do that, drawing immense images on a black background which astonish his audience. I've attached an example of his work.</span>