In Ode on a Grecian Urn, what metaphor is used to describe the origin of the urn in line 2?
ASylvan historian, who canst thus express
BFoster-child of silence and slow time
CThou still unravish'd bride of quietness
DBeauty is truth, truth beauty
ASylvan historian, who canst thus express
BFoster-child of silence and slow time
CThou still unravish'd bride of quietness
DBeauty is truth, truth beauty