In richard connell's the most dangerous game, there are several words that are not commonly heard in day to day conversation, here are some of the words and it's correct meaning :
Placid : Calm
Doggedly : With determination
Zealous : Extremely Passionate
Scruples : Morals
hope this helps
I would say A because the roar of the crowd cant "rumble" over the stadium.
C.
Most civilizations that thrived for long periods of times expanded into surrounding territories.