Which of the Following Laboratory Results Would Be Found in a Patient

Which of the following laboratory results would be found in a patient with spherocytosis associated with autoimmune hemolytic anemia?

A) No correction of the autohemolysis test with glucose
B) Some correction of the autohemolysis test with the addition of glucose
C) Normal incubated osmotic fragility test
D) Abnormal radioimmunoassay for spectrin
E) All of the above