The protagonist's choice is either changed or stays the same. depending on what the choice is.
the answer C well I think it is yeah it is C
“About Mars” is the Adjective Phrase.
Adjective phrase describes “what kind of which ones”
So for example here
“After school, I looked for books about Mars.”
“About Mars” describes the kind of books so that makes it an Adjective phrase.
I hope this helps.
The word game in this passage means animals for hunting.