回答6~10题: In the second sentence ofthe first paragraph “this”refers to________. A.all

回答6~10题： In the second sentence ofthe first paragraph，“this”refers to________. A．all the activities aboutplagiarism B．the activities ofself-plagiarism C．the argument for theimpossibility of self-plagiarism D．the argument for thepossibility of self-plagiarism

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