Answer:
A Onomatopoeia
B Hyperbole
C Metonymy
D Personification
E Consonance
F Pun
G Assonance
H Metaphor
I Alliteration
L Oxymoron
J Imagery
That is what I know
D. Subject
Explanation:
The main idea of a poem is also known as the subject.
A = an important step in metacognition
REALLY
I believe the answer is C.