Who is taking care of your father? I heard he is in hospital now.

A．looking like

B．taking part in

C．looking up

D．looking after

以下生长发育的评价哪项是正确的（）

A.均值离差法适合于正态分布的常用统计方法

B.标准差比值法用偏离该年龄组标准的程度来反映生长情况

C.指数法是用两项指标间的相互关系进行比较

D.百分位数和均值离差法的设计原理相同

E.相应身高的体重可反映儿童目前的营养状况