試題詳解

71 According to the first paragraph of this passage, what is true about the development of mass transportation?
(A) Railways used to be the primary means of land transportation before the 20th century.
(B) Motorcars were designed to monopolize land transport in the early 20th century.
(C) High-speed services derived from motorcar racing.
(D) The high-speed train was first built by Japanese engineers.