Questions 11—13 are based on the following passage about the effect of crop to the life of Canadian during the early years of the century. You now have 15 seconds to read Questions 11—13. Which of following is TRUE about the urban people of Western Canada during the early years of the century

A．They paid no special attention to information about the production and the price of wheat.
B．They might casually take the growing of wheat as a topic of conversation.
C．They also grew wheat in their backyards.
D．They were as much concerned with the wheat production and selling as the farmers.