Rosario wants to start working out three times a week for one hour to get more fit. If Rosario progresses through all five steps of the transtheoretical model, what is the likely outcome?

A Rosario will quit exercising after he reaches the maintenance stage.
B Rosario will have difficulty getting to the action stage and is likely to fail.
C Rosario will achieve his goal of working out three times a week for one hour.
D Rosario will return to precontemplation after six months of maintenance.