Concept:Each artform has a specific purpose or style that matches a given description.
Explanation:Oil painting creates realistic images because it allows smooth blending and fine details. So a matches iv.
Picturesque depicts landscapes as charming and untouched. So b matches i.
Portraiture focuses on showing wealth and status through portraits. So c matches ii.
History painting tells stories of important events, especially imperial victories. So d matches iii.
Thus the correct pairing is a-iv, b-i, c-ii, d-iii.
Answer:Option A. a-iv, b-i, c-ii, d-iii