on-going division between English-speaking Canadian and French- speaking Canadians is major concern of the country.
A. The; 不填
B. The; a
C. An; the
D. An; 不填
网友回答
A. The; 不填
(答案→)B. The; a
C. An; the
D. An; 不填
解析：从后面的介词短语可看出，前者特指目前说英语的加拿大人与说法语的加拿大人之间的分歧；后者泛指一件全国关心之事，故选B。