Which best explains the authors use of metaphor with regards to this coloring system? A. the colors suggest the coloration of a rainbow? B. these colors are associated with healthy foods like fruits

Which best explains the authors use of metaphor with regards to this coloring system?

A. the colors suggest the coloration of a rainbow?

B. these colors are associated with healthy foods like fruits and vegetable?

C. These colors are associated with positive and negative emotions?

D. these colors are associated with controlling the flow of traffic ?