What Is the Function of a Memory T Cell

What is the function of a memory T cell?

A) To activate T_C and T_H cells during an active primary infection
B) To avoid autoimmune disorders by producing memory for self-antigens during T-cell development
C) To maintain an active T-cell response (T_C or T_H) after an infection is cleared
D) To provide an almost immediate response upon subsequent exposure to a specific pathogen
E) To suppress T_C activity after a pathogen is cleared