When preparing to give a child with insulin-dependent diabetes his dose of regular and NPH humulin insulin, which of the following actions would be most appropriate（）

A. Taking the premixed insulin out of the refrigerator, then withdrawing the amount into in one syringe.

B. Using two syringes, one for each type of insulin, and giving two injections.

C. Withdrawing the NPH insulin first, then withdrawing the regular insulin into one syringe.

D. Withdrawing the regular insulin first, then withdrawing the NPH insulin into one syringe.

关汉卿历史剧的代表作是《单刀会》，全名《关大王单刀会》。它与另外一部历史剧《（）》，都是写关羽的。