While I strongly disapprove of your behavior, I will help you this time.
A.Despite my strong disapproval of your behavior that I strongly disapprove of your behavior, I will help you this time.
B.Despite my strong disapproval of your behavior that I strongly disapprove of your behavior, I help you this time.
C.Despite my strong disapproval of your behavior that I strong disapprove of your behavior, I will help you this time.
D.Despite my strong disapproving of your behavior/ the fact that I strongly disapprove of your behavior, I will help you this time.