Answer:
The choice that correctly punctuates the sentence is:
- In my humble opinion, the trunk is the most amazing part of the elephant.
Step-by-step explanation:
The comma usually has multiple uses, beyond 'pausing within a sentence or separating sentences,' since sometimes it allows clarifications or expresses points of view, which is the case of the person in the paragraph, who at the time to say, "IMHO," he points out that he will then give his point of view on a topic, in this case, about an animal.