According to the conversation, the day is special becauseA．many people are surfing the net

According to the conversation, the day is special because

A．many people are surfing the net on that day.

B．it is an anniversary of the internet.

C．the net brought about no changes until that day.

D．big changes will take place on that day.

请帮忙给出正确答案和分析，谢谢！