单项选择题
The Channel Tunnel(海底隧道), to be opened officially by British Queen Elizabeth II and French President Francois Mitterrand on March 8, links(连接) British and France for the first time since the Ice Age. The project spent eight years completing and cost an estimated(估计)$13.5 billion. The channel is considered an engineering wonder of the 20th century. Le Shuttle is the channel’s specially built train. The total journey time between Calais, France and Folkstone Britain is 35 minutes. The service is scheduled to run 24 hours a day, seven days a week in both directions.
The underlined word" scheduled" in this passage means to (). A. put a regular train into a timetable
B. plan the project for a certain time
C. prepare a timetable for the project
D. start a service for some time