Answer:
phenomenon is the correct answer
Step-by-step explanation:
phenomenon
A phenomenon is an extraordinary occurrence or circumstance. It has Greek roots, The word phenomenon started out as a science term. Scientists used it to describe any event or fact that could be observed, amazing or not.
This is the correct answer going buy its definition
subpoint
A subpoint is an ancillary or subsidiary claim in an essay. It is a part of the argument and lies along the same axis as the main argument but it is not the same as the main argument
From the meaning of the word, we could tell that this option is wrong
supporting detail
A paragraph contains specifics like facts, statements, examples that guide us to a full understanding of the main idea. They clarify, explain, describe, expand and illustrate the main idea.
From the meaning of the word, we could equally tell that this option is wrong
main point
The main point is the writer's point of view, perspective, opinion, or argument about its subject.
From the meaning of the word, we could also tell that this option is wrong