Which line from the poem is an example of onomatopoeia?

Question

A.
Of the bells, bells, bells, bells
B.
On the bosom of the palpitating air!
C.
How they clang, and clash, and roar!
D.
How the danger sinks and swells,

Answer 1

The line that is an example of onomatopoeia is:

C. How they clang, and clash, and roar!

Onomatopoeia refers to words that imitate the sounds they describe, and "clang," "clash," and "roar" are all words that represent sounds.