Which principle of design did post-impressionist artist vincent van gogh use in wheatfield with crows to show the threat of a coming storm ?
A : the threat of the coming storm is the principle of design , value
B: the threat of the coming storm is shown with chiaroscuro in the sky
C : the principle of design , movement is applied with short, slashing , brush strokes in vibrant hues to show the threat of the coming storm