Which of These Statements Correctly Describes Diapedesis

Which of these statements correctly describes diapedesis?

A) It refers to the process of white blood cells engulfing and destroying invading organisms.
B) It refers to the process of leukocytes squeezing through pores of the capillary wall into the surrounding interstitial fluid.
C) It refers to the attraction of white blood cells to areas of injury, inflammation, and bacterial invasion.
D) It is a feature exhibited by platelets.