Thou still unravish’d bride of quietness, Thou foster-child of silence and slow time, Sylvan historian, who canst thus express A flowery tale more sweetly than our rhyme â€""Ode on a Grecian Urn," John Keats Which word shows that the image on the urn is delightful? "still" "slow" "thus" "sweetly".

to show how the cables work.

the correct answer is a.

since in the sentence the word beacon is used as "guide".

lighthouse:

high tower located on the coasts and ports that emits a powerful light at intervals to guide navigators at night.

luminous tower.

beacon synonyms as a guide: lighthouse, north, tower