Thoreau mostly uses imagery to illustrate time in the excerpt. The second sentence is saying that he is in the midst of time/living, and he can "detect how shallow it is," meaning that he is aware that life is short and that the end is inevitable. Thoreau also describes time as being fleeting, but ever-present.
I hope this helps!
Answer: I feel that this would be very easy to write it just takes willingness to do so.
Explanation:
You can include how valuable they are because of the lives they are saving by risking their own. They give their all for 24 hours a day in the name of fighting this pandemic. You can state how many never get a break and that makes them strong fighters. Due to lack of breaks you feel for their exhaustion and appreciate every waking hour that they spend taking care of those in need.
D. What prior knowledge does my audience have?
You would teach a kindergarten class about animals differently than you would a group of zoologists. <span />
Most positive it is letter D
All these questions depend on what you studied, no one can help you here. Go study and good luck.