—Go and have a good drink tonight, OK?

—_______. We need to relax ourselves.

A．I couldn’t agree more

B．I’m afraid not

C．I believe not

D．I don’t think so

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