You would never know what the setting is,if the characters are not known and if the settings are unknown the story would have to turn to the theme or the plot. when the charaters are unknown the effect is losing place in the story. It might be confusing but if it help letme know!!
1) B. Sentinel is a soldier or guard whose job is to stand and keep watch
2)C I think
The answer is tone
I don’t have anything else to write so hi!