208. His _________, his sister's son, was admitted to Beijing University this year.

A．cousin

B．niece

C．nephew

D．Grandson

一位术后贫血合并有心功能不全的老年病人，输入以下何种血细胞制品最恰当

A．浓缩红细胞
B．洗涤红细胞
C．冰冻红细胞
D．少含白细胞红细胞
E．库存全血