By saying that "Undersea cable, universal software , high-tech imagery, and Google have erased geography." (Lines 2—3,Para. 4),the author means that______.
A.the development of information technology has made traveling around the world easier B.the development of technology has led the world to share the source of information C.the information technology has promoted the cooperation between workers in various areas D.the information technology has enabled many jobs to be done anywhere