What is the most logical next event?

A woman in a red shirt is standing behind a woman sitting down. She starts brushing her bands up and puts a curler in her bangs. she

Options:
[a]. puts another curler behind the first one.;
[b]. then looks up and laughs.;
[c]. combs the hair of the lady next to her.;
[d]. then sits up and brushes her bangs straight down.;
[a].