---Ann, I’m worried I’m getting fatter. What shall I do?

---I think you should eat          food and do more exercise.

A．more

B．less

C．much

D．little

肝豆状核变性的临床特点有()

A．遗传性铜代谢缺陷

B．过量的铜积聚于肝、脑、肾和角膜造成损害

C．血清铜蓝蛋白降低

D．进行性肌无力

E．血清非铜蓝蛋白降低