Final answer:
The characteristic of the poem 'I am offering this poem' that reflects the speaker's experience is the use of free verse.
Step-by-step explanation:
In the poem 'I am offering this poem,' the characteristic that most likely reflects the speaker's experience is the use of free verse. Free verse is a form of poetry that does not follow a structured rhyme scheme or meter. This lack of constraints allows the speaker to express his pain and tell his story in a way that is authentic and personal to him. Without the restriction of rhyme and meter, the speaker can evoke emotions through word choice and punctuation instead.