A、A magazine reporter and a professor of politics. B、TV program hostess and a professor of history. C、Radio program hostess and

W: Thank you, (22)Professor, for coming to our program and answer the listeners’ questions.
M: You’re welcome. I’m glad to be here sharing my knowledge of English with all the learners.
W: Well, talking about learning English, is there any difference between Canadian English, British English and American English?
M: Yes. In some aspects, the English spoken by Canadians is different from that of the British people while in other aspects it is different from American English.
W: Some people hold that Canadian English must be a dialect of British English because Canada was once a colony of Britain and ever since her independence she has remained a member country of the British Common Wealth. Is that true?
M: No. This is a false idea. According to history, the first batch of English speakers settling down in Canada were not from Britain but from the United States. They were the so-called American "loyalists"—Americans who had moved northwards into Canada after the American Revolution for Independence. (23)They were called "loyalists" because after the American Revolution, they remained loyal to the British crown, Thus, it seems more appropriate to regard Canadian English as a variety of American English in origin.
W: I see. Then, is there anything peculiar about Canadian English?
M: (24)Canadian English is a unique dialect with demurs similar to both American and British English. Although Canada is a large country, the pronunciation of Canadian English is quite uniform from the east coast to the west coast.
W: That’s interesting. What about the spelling system?
M: This is a difficult question to answer. (25)Generally speaking, the British spelling system is chosen for more prestigious articles while the American spelling system is for the popular topics.