Anti-K Was Identified in Absorbed Serum of a Patient with Warm

Anti-K was identified in absorbed serum of a patient with warm autoimmune hemolytic anemia. If a red blood cell phenotype was performed using an indirect antiglobulin test to ensure the patient was negative for K antigen, what would the technologist find?

A) A negative result after cells were treated with ficin
B) A positive result due to IgM coating cells
C) Patient would type negative for K antigen
D) A positive result due to IgG coating cells