Which of the Following Would NOT Be a Good Example

Which of the following would NOT be a good example of a critical question that a sociology of sport student might ask in relation to this field of study?

A) Will leagues with high rates of concussions and other injuries, like the CFL and NFL, still exist in two decades?
B) Why do so many cities invest significant amounts of public funds in 'world class' sports arenas and stadiums?
C) Why has participation in sport historically been stratified by age, gender, race, and socio-economic status?
D) Why do athletes sometimes choke under pressure or show lapses in concentration at critical moments during a game?