i think your answer is a. explosion because it seems like the story is getting started--at least to me.
conclusion doesn't seem that reasonable because, once again, i think that part sounds like the beginning of the story.
it doesn't seem like its climbing up, like climax does.
and conflict doesn't seem right to me either.
so, i think your answer is a.
i hope this and isn't confusing!
examples of present participles ending in ing that can also function as an adjective are words such as captivating, alarming, and boring.
the capacity to gain an accurate and deep intuitive understanding of a person or thing.
dashes are used to add emphasis or change a topic, as they can either give more importance to an idea or just interrup the idea with another one.
ellipsis is used to remove unwanted parts of a long quotation and is mostly represented by three consecutive periods. it omit unnecesary elements within a sentence.
commas are used to separate clauses, phrases, coordinating adjectives and non-essential words. commas usually indicate pauses and they are used to separate ideas within a sentence.