Answer:
Alone .. Sorry if it's wrong but, I'm pretty positive it's right:)
Explanation:
If the options are metaphor, alliteration, allusion, and apostrophe, I believe the answer is metaphor, because the others don't fit.
Alliteration is the repetition of a consonant.
Allusion is reference to something or somebody outside of that literary work.
And apostrophe is the author speaking directly to somebody outside the poem, usually gods or a muse.
1. c
2. b
3. d
4. c
not sure about 2 tho!