Which of These Statements Correctly Describes Cytotoxic T Cells

Which of these statements correctly describes cytotoxic T cells?

A) They can cause death of an infected host cell by releasing granzymes.
B) They secrete B-cell growth factor and T-cell growth factor.
C) They confer greater phagocytic properties on macrophages, converting them into angry macrophages.
D) They bind with class II MHC glycoproteins.