单选题 That the speakers try to convey conversational implicatures and hearers are able to understand them is called ______ of implicature.
[A] canccllability [B] calculability
[C] non-detachability [D] non-conventionality

【正确答案】 B

【答案解析】本题考查语言学基本常识。根据会话含义理论，会话中含义有四个基本特征，即[A]cancellability(可取消性)，[B]calculability(可推导性)，[C]non-detachability(不可分离性)，和[D]non-conventionality(非规约性)。会话中，说话者试图表达会话的隐含意义，而听话者能够对此予以理解，表明会话含义有可推导性，因此选项[B]为正确答案。