Which of the Following Is False About Haptens

Multiple Choice

Which of the following is false about haptens?

A) a hapten alone can not act as an antigen
B) a large protein (to which a hapten can bind) alone cannot act as an antigen
C) only the combination of a hapten and a large protein can act as an antigen
D) haptens bind to antibodies preventing them from binding to a large protein