Answer:
1. assonance
2. alliteration
3. repetition
4. consonance
Explanation:
1. repeated vowel sounds (ol)
2. repeated beginning letter (s)
3. repeated word (slumber)
4. repeated ending (ake)
If whipped is not a part of the underlined sentence, we can rule out a verb, leaving "through the massive trees" which is an adjective phase, as it is describing the "massive" trees.