The vast collection of HTML $($hypertext markup language$)$ documents, images, videos, and sound files that can be linked to each other and accessed using a protocol called HTTP $($hypertext transfer protocol$)$ is known as the $\_\_\_\_\_.$

a$.$

ARPANET $($Advanced Research Projects Agency Network$)$

b$.$

HTML

c$.$

Internet

d$.$

Web $($World Wide Web$)$