Various Models of Workforce Delivery Are Being Developed to Serve

Various models of workforce delivery are being developed to serve the populations that cannot easily access dental services because of:
1) problems of geographic location.
2) poor financial resources.
3) lack of dental insurance.
4) lack of understanding about disease prevention measures.

A) 1,2,3,4
B) 1,2,3
C) 2,3,4
D) 1,4