How is the Internet or net explained in the passage？ 查

How is the Internet or net explained in the passage？ 查看材料

A.Electronic routes used to fax or correspond overnight.

B.Electronic routes used to read home and international journals.

C.Electronic routes waiting for correspondence while one is sleeping.

D.Electronic routes connected among millions of users home and abroad.

请帮忙给出正确答案和分析，谢谢！