Which of the Following Best Describes the World Wide Web

Which of the following best describes the World Wide Web?

A) a connection of millions of computers that support a standard set of rules for the exchange of information
B) a network of millions of smaller networks,each with an independent set of standards
C) a connection of millions of computers across the world with no specific standards or time constraints for exchange of data
D) a world-wide network of millions of smaller networks with a different standard of information exchange in each country