Which of the Following People Is Exhibiting Mindfulness

Which of the following people is exhibiting mindfulness?

A) Edna,who is angry at herself for feeling hungry again;she was hoping to lose weight but has so many cravings and can't ignore them.
B) Ella,who whenever she has strong feelings,she finds it hard to tolerate them,so she self-medicates with alcohol.
C) Esther,who thinks to herself,"I didn't do what they wanted.I don't enjoy situations when I let people down," whenever she receives feedback at work.
D) Emma,who is rejected by a graduate school and thinks to herself,"I didn't want to go there anyway."