Which of the following statement is true

Q. Which of the following statement is true

A.            all immunogens are antigens but all antigens are not immunogens

B.            all immunogens are antigens and all antigens are immunogens

C.            all immunogens are not antigens but all antigens are immunogens

D.            all immunogens are proteins and all proteins are immunogens

Answer: all immunogens are antigens but all antigens are not immunogens