B. <span>The use of oil paints to create highly realistic details.
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The Northern International style was characterised by detail and symbolism within the object, the concern for both accuracy and great detail was their primary concern; this was a Gothic Style in Medieval art, it's imagery was predominantly religious and eventually gave way to the Early Renaissance style of painting and sculpture.
Playing with lights can create different horror effects on objects. A direct light or underexposure on a face can make a variety of distortions. Using silhouette can add illusions on shadows, it defies the real size and form of the source.
Answer:
A) Psalter and Hours of Bonne of Luxembourg, Duchess of Normandy
