Enzyme immunoassay technology for the quantitative determination of antigens or antibodies in samples is based on:（ ）

A、
A、Enzymemarkersparticipateinimmuneresponse;
B、
B、Theapplicationofsolid-phasetechnologyenableseffectiveseparationofboundandfreeenzymemakers;
C、
C、Theenzymeintheimmunecomplexcontainingtheenzymemarkercancatalyzethecolordevelopmentofthesubstrate,andthecolordepthisrelatedtothecontentofthetestsubstance;
D、
D、Theenzymecatalyzestheimmunereaction,theactivityoftheenzymeinthecomplexisproportionaltothemeasuredvalueofthesample