Which of the Following Statements Accurately Describes Rail Networks in Europe

Which of the following statements accurately describes rail networks in Europe by 2000?

A) They were the targets of frequent terrorist attacks.
B) They were high-speed connectors of cities within and between EU member states.
C) They became an efficient network for transporting freight, rarely used for personal travel.
D) They were a crumbling symbol of a previous era's transportation boom
E) Their maintenance was a great burden on the EU economy, resulting in the eventual discontinuation of many railroads.