The author suggests that fifteenth-century Venetian narrative paintings with religious subjects were painted by artists who A. were able to draw human figures with more skill after they were apprenticed to painters in Tuscany B. assumed that their paintings would typically be viewed from a distance C. were a major influence on the artists who produced the cycle of historical paintings in the Venetian magistrate's palace D. were reluctant to paint frescoes primarily because they lacked the drawing skill that painting frescoes required E. were better at painting architecture in perspective than they were at drawing human figures