33-year-old female presented for lab follow-up. Recent complaints include fatigue. CBC results are as follows: WBC 6.3, RBC 2.69, Hgb 10.6, Hct 31.6, MCV 117.6, MCH 39.6, 
a) Normal CBC results 
b) Iron deficiency anemia 
c) Macrocytic anemia 
d) Hemolytic anemia