Which of the following statements about immigration in Canada is NOT true?
A、It is estimated that one-third of Canadians were born in other countries.
B、Immigration has always been an important source of its population growth.
C、Immigration has played an important role in the development of its economy.
D、In the past Britain and Western Europe were the principal sources of Canadian immigration.
【正确答案】：A
【题目解析】：本题考查加拿大的移民。根据课本P265可知，加拿大的移民一直是人口增长的一个重要来源；移民在其经济发展中发挥了重要作用；过去，英国和西欧是加拿大移民的主要来源。
