Which of the following is an example of a metaphor?

a. her voice was like a song.
b. he has a heart of gold.
c. her eyes were like ice.
d. he is a good person

The question below refers to the selection “ozymandias” by percy bysshe shelley. the traveler seems to believe that — a. monuments are eternal b. the passage of time is necessary and inevitable c. we must preserve relics of past civilizations d. even the greatest works are destroyed by time