The British Monarch Charles II has been sent out but then returned his throne during restoration period after the death of Oliver Cromwell in 1658. It’s his chance to regain the crown. The English Legislature resolved to announce King Charles and invite him to return its throne.
Your answer would be B.
Why? The others don't make sense.
Personally, I think it's because it was simple and free entertainment. Given that there wasn't a taboo around death and watching others die, and it actually being encouraged, like how it was in Anciient Rome, I'd say a lot of people would actually at least try out visiting a gladiatorial contest.
Liberalism is the answer you're looking for