【正确答案】正确答案：This theory was formally proposed by Sperber and Wilson in their book Relevance; Communication and Cognition in 1986. They argue that all Gricean maxims, including the CP itself, should be reduced to a single principle of relevance, which is defined as; Every act of ostensive communication communicates the presumption of its own optimal relevance.

【答案解析】解析：(考查对关联理论的理解)