The two tables are of the same shape but the one made of steel costs more than ________ made of wood.

A．that

B．those

C．one

D．it

下列哪项可以准确反映体内储存铁的情况

A．血清铁

B．血清铁蛋白

C．血红蛋白

D．红细胞计数

E．肌红蛋白