ELA5, CSS, Sferrazza

Which of the following are metaphors?

The road was a ribbon of moonlight.

Answer Yes. The road is being compared to a ribbon of moonlight without using like or as.

The sky is a patchwork quilt.

Answer Yes. The sky is being compared to a quilt without using like or as.

The thunder roared like a mighty lion.

Answer No. There is a comparison but it uses "like" to connect the lion and the thunder so it is a simile.