To obtain a good monitor tracing on a client in labor, the mother lies on her back. Suddenly, she complains of feeling light-headed and becomes diaphoretic. Which of the following should be the nurse’s first action

A. Reposition the client to her left side.
B. Immediately take the client’s blood pressure and call the physician.
C. Start oxygen at 6 L via nasal cannula.
D. Increase the IV fluids to correct the client’s dehydration.

在程序中，给出两个整数4和5，计算他们的和，并在屏幕上显示出来。请将程序补充完整。 注意：请勿修改main()主方法和其他已有语句内容，仅在横线处填入适当语句。 ______Add { private int a； private int b; public Add(int n1,int n2) {a=nl;b=n2; } public int getAdd() {return a +b; } } public class basic { public ______void main(String[] args) {int n1=4, n2=5;Add aAddB=______Add(nl,n2);System.out.println("4+5="+aAddB.getAdd()); } }