If a Pathogen (External Antigen)is Destroyed Before Any Symptoms Develop,the

If a pathogen (external antigen) is destroyed before any symptoms develop,the person

A) will never again be infected by that pathogen.
B) is said to be immune.
C) is said to have specificity.
D) had no immunity response to the pathogen.
E) Both is said to have specificity and will never again be infected by that pathogen are true.