Use the Following Information to Answer the Questions Below

Use the following information to answer the questions below.
At a crime scene, an analyst finds a large pool of blood. After centrifugation, it was determined that the blood belonged to a hemophiliac suffering from an acute infection.
-Which of the following are not involved in the clotting process?

A) fibrinogen
B) thrombin
C) platelets
D) albumin
E) fibrin