Which of the following sentence best describes a technique that Spanish Baroque artist Diego Velázquez used in his paintings?. . .

a.Velázquez used the circle as an organizing structure in which to place all of the figures and objects.. .

b.Velázquez used loose brushstrokes for the figures and smooth, precise brushstrokes for the background.. .

c.Velázquez preferred to work spontaneously rather than carefully plan out his compositions.. .

d.Velázquez captured many middle tones between dark and light to create structure and accentuate color..