How Do Large Antigens Interact with Antibodies

Multiple Choice

How do large antigens interact with antibodies?

A) The region of contact between antibodies and antigens is very narrow, allowing greater specificity.
B) Large antigens will contact the entire antibody, including the F_c region.
C) All six CDRs of the antibody can make contact with a specific epitope.
D) A single CDR of the antibody contacts multiple epitopes of the antigen.
E) None of the answers is correct.