Which of the following will NOT predispose to thrombosis?

Which of the following will NOT predispose to thrombosis? Select one:

a. Sluggish blood flow within the venous system due to prolonged immobility

b. Loss of antithrombin III through diseased glomeruli

c. Turbulent blood flow across damaged endocardium

d. Production of IL-6 by activated macrophages

e. Endothelial damage from a viral infection