Which of the following will NOT predispose to thrombosis?

Which of the following will NOT predispose to thrombosis? Select one: O a. Sluggish blood flow within the venous system due to prolonged immobility O b. Loss of antithrombin III through diseased glomeruli O c. Turbulent blood flow across damaged endocardium O d. Production of IL-6 by activated macrophages O e. Endothelial damage from a viral infection