单选题 Four categories of Maxims in Grice's Cooperative Principle include all the following EX- CEPT ______.
A. Manner
B. Relation
C. Qualification

【正确答案】 C
【答案解析】[解析] 本题考查Grice合作原则的准则内容。Grice合作原则包括数量、质量、关系和方式四条准则。