Answer: The phrase that best defines an epic simile is D. a long, elaborate comparison between two dissimilar actions or objects.
Explanation: An epic simile is a detailed comparison that usually occupies more than two lines. Moreover, epic similes are mostly found in epic poems. Actually, for that reason, they are also known as Homeric similes. In Homer's Iliad and Odyssey, similes are used to compare heroes such as Achilles and Odysseus with forces of nature. For example, in several cases, the Achaians' bravery is compared with the seas. Therefore, it can be said that an epic simile consists in establishing a comparison between dissimilar entities, actions or objects.