Final answer:
The details associated with the epic form that are evident in these first 20 lines are alliteration and kennings. Therefore, the correct option is a) Alliteration and kennings.
Step-by-step explanation:
The details associated with the epic form that are evident in these first 20 lines are alliteration and kennings. Alliteration is the repetition of consonant sounds at the beginning of words in close proximity, while kennings are metaphorical descriptions that replace a common noun. In the given excerpt from Samuel Taylor Coleridge's 'The Rime of the Ancient Mariner,' the use of alliteration and kennings can be seen:
It is an ancient Mariner,
- 'ancient Mariner' is an example of alliteration with the repetition of the 'm' sound
- 'ancient Mariner' can also be considered a kenning, as it metaphorically describes the main character of the poem