An Important Distinction Between the Nativities and Annunciations Depicted by Pisano

An important distinction between the Nativities and Annunciations depicted by Pisano and Giotto is that Giotto's rendering

A) shows Mary staring straight forward, drawing the viewer into the scene.
B) clutters the scene with more persons and more narrative.
C) uses fewer figures in order to enhance the dramatic essence of the scene.
D) evidences the strong influence of classical Roman poses.