Which of the Following Explains the Increased Demand for Nurses

Which of the following explains the increased demand for nurses?

A) a growing number of elders,a growing number of public health diseases,a growing increase of those on Medicaid
B) a growing overall population,a growing number of immigrants,a growing number of sick patients
C) an increase in the number of elders,patients in the hospital are sicker,an increase in technology and complexity of health care
D) an increase in technology,a growing population,greater numbers of diseases