Many years ago, when I worked (61) a volunteer at Stanford Hospital, I got to know a little girl named Liz who was (62) a rare and serious disease. Her only (63) of recovery appeared to be a blood transfusion (输血) (64) her 5 - year- old brother, (65) had amazingly (66) the same disease and had developed the antibodies (抗体) needed to combat the illness. The doctor explained the (67) to her little brother, and asked the boy if he (68) give his blood to his sister. I saw him (69) for only a moment before (70) a deep breath and saying, "Yes, I’ll do it if it will save Liz." As the transfusion (71) , he lay in bed next to his sister and smiled, (72) we all did, (73) the color returning to her cheeks. Then his face (74) pale and his smile (75) . He looked up at the doctor and asked in a (an) (76) voice, "Will I start to die (77) " Being young,
A. of
B. as
C. to
D. like
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