Final answer:
Alliteration in the line from 'The Song of Wandering Aengus' contributes to a euphoric effect, enhancing the poem's dreamlike and enchanting atmosphere.
Step-by-step explanation:
The line '5 of the song of wandering Aengus when white moths were on the wing' from the poem generates a euphoric effect through its use of alliteration. The alliterative sounds create a musical quality that contributes to the dreamlike and otherworldly atmosphere of the poem. This elevates the imagery and helps convey a sense of enchantment and wonder as Aengus embarks on his mystical journey. Therefore, the effect of the alliteration used in this line is most closely associated with option (c) Euphoric.The use of the alteration, specifically the mention of the 'white moths on the wing,' creates a sense of mystical and enchanting imagery. It elevates the tone and atmosphere of the poem, adding a touch of magic and wonder.