Which statement best describes how the internet evolved?

Which statement best describes how the internet evolved?
A . The internet emerged in the commercial world in the 1980’s following the US military’s adoption of TCP/ IP in 1983.
B . The internet evolved from a military to a research to a commercial based network.
C . The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceived.
D . Internet service providers provided the services necessary for military based networks to evolve into research and education based networks.

Answer: B