Which sentence from the article suggests that the Internet developed slowly at first? A In 1965, another scientist developed a secure way of sending information from one computer to another.

B By the end of 1969, there were still only four computers connected to the ARPAnet.

С However, during the 1970s, new local networks sprang up around the world and the worldwide network steadily grew.

D Throughout the 1980s, researchers and scientists used the Internet to send files and information from one computer to another.​