My sister hopes to go to____ university in ___U.S.A later on. [ ]

A. an ; /

B. a; the

C. an; the

D. the; the

慢性病性贫血

A．血清铁增高，总铁结合力正常，血清铁蛋白正常或增高
B．血清铁降低，总铁结合力降低，血清铁蛋白增高
C．血清铁降低，总铁结合力增高，血清铁蛋白降低
D．血清铁降低，总铁结合力降低，血清铁蛋白降低