If All Antibody Identification Panel Cells Were Reactive at the Same

Multiple Choice

If all antibody identification panel cells were reactive at the same strength at the antihuman globulin phase,no negative reactions were observed,and the autocontrol was negative,what antibody should be suspected?

A) Multiple antibody specificities
B) Warm autoantibody
C) Antibody to a low-frequency antigen
D) Antibody to a high-frequency antigen