Answer:
D. all of the above
Explanation:
According to my research on Health Information Technology, I can say that based on the information provided within the question all of the above are necessary. Developing a national HIT infrastructure is a difficult process since you need technology which costs money, and you need human resources to install and operate that technology which also costs money.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
