Answer:
The best exercise self regulation strategy for helping Deborah is consider encouraging Deborah to have a serious conversation with her husband about how important staying active is to her and how she needs his support in order to be successful. Letter D.
Explanation:
That is the social support strategy. Debora is not getting serious about her weight loss because she needs her husband's support. To make it happens, she really needs to have a real conversation with him about the importance of being healthy and how much she needs his entire support to achieve this goal.