The correct option is C Eosinophils
The main functions of eosinophils include involvement in defense against parasites, allergic responses, tissue inflammation and immunity. Eosinophil granulocytes, usually called eosinophils are white blood cells and one of the immune system components responsible for combating certain infections in vertebrates. Along with mast cells, they also control mechanisms associated with allergy and asthma. They are granulocytes, that develop during hematopoiesis in the bone marrow before migrating into the blood. Hence, the correct answer is the option C.