【正确答案】Charles F. Hockett developed many influential ideas in American structuralist linguistics. He represents the post-Bloomfieldian phase of structuralism often referred to as "distributionalism" or "taxonomic structuralism". According to his opinion on language discreteness, each basic unit of speech can be categorized and is distinct from other categories. In human language there are only a small set of sound ranges that are used and the differences between these bits of sound are absolute. In contrast, the waggle dance of honeybees is continuous.

【答案解析】[解析] 本题考查语言的本质特征之离散性(discreteness)。Charles F. Hockett提出了总结了语言的13个本质特征。语言的离散性指，在语言的全部基本单位(如音位，词素等)里，这些基本单位是可以划归某一范畴的，而这一范畴与其他的范畴之间的界限又是明晰的。