PLEASE HELP!! I need to get this test done ASAP!!

Which of the following statements is correct in hour our immune system responds to a potential pathogen?

A.) The skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen.

B.) B Cells will start reading the antigen code immediately and call T cells to assist in destroying the pathogen.

C.) The adapted immune system will call on the innate immune system to help destroy the pathogen.

D.) The T-cells in the adapted immune systems are the first to recognize the pathogen