Which of the Following Features Are Shared Between Both Innate

Which of the following features are shared between both innate and adaptive immunity?

A) respond immediately, remember antigens, and exist in all eukaryotic organisms
B) recognize diverse pathogens and eliminate identified invaders
C) recognize diverse pathogens, eliminate identified invaders, and discriminate between self and foreign antigens
D) respond immediately and remember antigens
E) discriminate between self and foreign antigens