Which statement best describes how the internet evolved?

A.
The internet remained primarily a research based network and was only commercially
adopted in 2000 when the world wide web was conceived.

B.
Internet service providers provided the services necessary for military based networks to
evolve into research and education based networks.

C.
The internet evolved from a military to a research to a commercial based network.

D.
The internet emerged in the commercial world in the 1980s following the US militarys
adoption of TCP/IP in 1983