I think this might help you figure out the theme, hope this helps
Answer:
The early evening darkness after the end of the period is linked to depression. The risk of suffering a heart attack is also increased when begins.
Explanation:
I think the most logical answer from my research is option c.
I'm not sure, but I tried.
Check out this website: http://www.notablebiographies.com/Ch-Co/Chaplin-Charlie.html .
It's really detailed and might help you find answers to your question.
