Answer:
Heart attack
Explanation:
(Sorry if you get it wrong, but I'm pretty sure a heart attack is the right answer.)
One possible theme could be “how a person is affected by growing older”. Shakespeare compares old age to the seasonal shift. The narrator also describes how aging is harsh and ultimately comes to see its inevitability. Hope this helps!
To be in the progressive tense, a verb must have a "ing."
The answer is C, I believe. Hope this helps!