D. All of the others do not make sense, either grammatically or logically.
That’s cool i bet that’s lit
C. The night was flying by very quickly.
Moths wings flutter very quickly, therefore when the night is compared to a fluttering moth wing, the author is saying the night was flying by very fast.
Answer: D.
The first stanza introduces what the speaker does to Sam McGee; by the last stanza, the reader better understands the "strange things" that have happened.
Hope this helps!
Please get it right.