【正确答案】There are four maxims under the Cooperative Principle, namely Quantity Maxim, Quality Maxim, Relation Maxim, and Manner Maxim．Obviously, B's answer is too short and ambiguous, which means that it has violated the maxim of quantity and the maxim of manner．

【答案解析】[解析] 本题主要考查对CP(合作原则)的理解和应用，回答问题时最好要把合作原则包括哪几个准则说清楚，再结合题目进行分析，这样才会有理有据。