One Bed Is Available on the Inpatient Eating Disorders Unit

One bed is available on the inpatient eating disorders unit.Which patient should be admitted to this bed? The patient whose weight decreased from:

A) 150 to 100 pounds over a 4-month period. Vital signs are temperature, 35.9° C; pulse, 38 beats/min; blood pressure 60/40 mm Hg
B) 120 to 90 pounds over a 3-month period. Vital signs are temperature, 36° C; pulse, 50 beats/min; blood pressure 70/50 mm Hg
C) 110 to 70 pounds over a 4-month period. Vital signs are temperature 36.5° C; pulse, 60 beats/min; blood pressure 80/66 mm Hg
D) 90 to 78 pounds over a 5-month period. Vital signs are temperature, 36.7° C; pulse, 62 beats/min; blood pressure 74/48 mm Hg