Answer:
Holden keeps asking them, if they knew where the ducks who live in Central Park South lagoon go when the water freezes over, which makes them (cab drivers) to question is mental state.
Explanation:
From the given question, Holden keeps asking the different can drivers if they knew where the ducks who live in Central Park South lagoon go when the water freezes over.
Also, when he asked same question to a taxi driver, the taxi-driver frowned at his question and then begins to talk about something else like fish instead. before now Holden asks the taxi-driver to have a drink with him, which he rejected.
A - "We were on the verge of bankruptcy..." + "Vibrant and Prosperous"
"On the verge" related to being on the edge, like being close to the end of a cliff. Those words invoke imagery
Vibrant means bright and thriving, and prosperous means rich, successful and flourishing. Those words are pretty charged!
B - "We were a sinking ship" + "We repaired our ship"
The person speaking compares the state of the town to a ship sinking
C - There is no example for parallelism
D - "Five years ago...Five years ago...Five years later. I am your mayor...as the mayor"
The speaker (who is the mayor) repeats the phrase "five years ago", putting emphasis on key ideas
I hope this helps you understand!