语法与词汇 For every three Canadians in 1945, there were over five in 1966. In September 1966 Canada’s population passed the 20 million mark. Most of this surging growth came from natural increase.
【正确答案】 C
【答案解析】句意：加拿大的人口自1945到1966年增长了将近三分之五倍。这种飙升大部分由于自然增长。surging剧增的；涌动的。accelerating加速的。两者意思相近。因此，本题的正确答案为C。