Catatonic immobility is associated with psychiatric conditions such as schizophrenia. it is characterized by disturbances in motor (muscular movement) behavior with either psychological or physiological basis. It can include periods in which the individual moves very little and does not respond to instructions. The individual holds rigid poses for a considerable length of time. They may maintain this position for hours, days, weeks or even months.
I will choose all because they all are excersices that can keep your pumping.But i think b because that is a lot of excercise witch is goodfor you.for letter B you will have a total of 50 minutes witch is good.