Final answer:
The literary device used in the underlined words from the sonnets by Edmund Spenser is a)alliteration, due to the repetition of initial consonant sounds in closely positioned words.
Step-by-step explanation:
From the given lines of sonnets by Edmund Spenser, the underlined words seem to convey the device of a) alliteration, which is the repetition of initial consonant sounds in closely positioned words.
An example of alliteration can be seen in the line 'Having harrowed hell,' where the 'h' sound is repeated at the beginning of both words.
Furthermore, using the same initial consonant sound can sometimes lead to consonance if it occurs at the end of words as well, though it is not explicitly indicated in the underlined excerpts provided.
Assonance involves the repetition of vowel sounds within words, and is not illustrated through the given lines. Therefore, without additional context, the most fitting choice would be alliteration.