—Mr Wang’s never been to Canada, has he?— . He went there on business last week.A. No, he

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A. No, he hasn’t
(答案→)B. Yes, he has
C. No, he has
D. Yes, he hasn’t
解析：本题考察的是反义疑问句，反义疑问句回答时事实是肯定用yes，是否定的用no，本题回答语表示的含义是王先生上周去加拿大做生意去了。所以本题事实表示的是肯定，故用yes来回答，D项结构不正确，故本题选B。