During a visit with your pt, a 68 year old man with T2DM, you discuss his physical activity goal that was set 6 months ago. His goal was to begin a walking program starting at 10 minutes per day and advance until he is walking 30 minutes per day at the 6 month point. He rates his progress towards his goal at a "0" and says that he has not done anything since he set the goal at his visit 6 months ago. What is the next best step to take with this pt?
A. Suggest the he not dwell on this failed goal and focus on a different aspect of self mgmt
B. Offer the pt more time to work on his goal
C. Discuss with the pt his motivation and barriers to achieving the goal
D. Suggest that the goal be revised to begin with less time walking and increase the time at a slower rate