I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.
The correct answer here is "C"
Reasoning is because "Rockefeller Center" and "Empire State Building" are properly capitalized, and has a comma right after Rockefeller Center to show a pause in the sentence
Key words for a similes are like or as.
Example: my life is LIKE a red rose.
I am pretty sure the answer is C
For a strong conclusion, you have to restate the thesis by making the same point with other words. Review your supporting ideas, then summarize all arguments by paraphrasing how you proved the thesis. Connect back to the essay hook and relate your closing statement to the opening one.
Have a beautiful day, and stay safe. v(⌒o⌒)v♪