Did Chinese people Cai Lun invent paper?

1. (2017五下·深圳期末) Did Chinese people Cai Lun invent paper?

Lily, did Chinese people, Kaila, invent paper? Yes, he did. Question, did Chinese people, Kaila, invent paper? Lily, did Chinese people, Kaila, invent paper? Yes, he did. Question, did Chinese people, Kaila, invent paper?

A . Yes，it is． B . Yes，he did． C . No，she isn't．

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