A 10-year-old child with hemophilia A has slipped on the ice and bumped the knee . The nurse would prepare to administer which prescription?一名患有血友病A的10岁儿童在冰上滑倒，撞到了膝盖。护士会准备开哪种处方？

A、Injection of factor X
因子X的注入
B、Intravenous infusion of iron
静脉输注铁
C、Intravenous infusion of factor VIII
静脉输注因子VIII
D、Intramuscular injection of iron using the Z-track method
使用Z-track方法进行肌内铁注射