Which of the following attributes does Keats admire and celebrate most in “Ode on a Grecian Urn”? Support your answer choice, citing details from the poem. a. The quality of the artist’s craftmanship. b. The simplicity and grace of the shape of the urn. c. The fact that the scene seems to tell a fascinating story. d. The timelessness of the scene and the eternal youth represented by the figures.