When microbes enter through a minor skin wound, resident ______ in the tissues destroy them. If these microbes are not rapidly cleared, the resident cells secrete _______ to recruit _______ for extra help.
A. macrophages; interferons; neutrophils ;
B. macrophages neutrophils; interferons;
C. macrophages; cytokines; neutrophils
D. macrophages; cytokines; lymphocytes
