So here are the answers!
1. Left
2. had trekked
3. had visited
4. couldn't
5. bigger
The first three are in psst tense because the events did not happen just now, and could wouldn't make sense for number 4, and number 5, and biggest is not a word.
B. choosing the right word is crucial to create strong imagery
Answer:
The second option
Explanation:A polysyndeton is the repetition of conjunctions close together. The conjunction "or" is repeated frequently in the sentence.