What happens next?

A man is sitting on a revolving chair with his one leg folded over the other. another man

Select from:
[a]. takes a cloth and begins cleaning his black leather shoes with a cloth to make it shiny.;
[b]. is-pointing at people on the exercise machine behind him.;
[c]. is seen inside of the machine and practices some curling movements.;
[d]. smells the other man's leg waxed, then moves it out from under the table.;
[a].