The scientific theories about the origin of language include the bow-wow theory, the pooh- pooh theory and the "yo-he-ho" theory.（）

Hello Kitty（凯蒂猫）、SNOOPY（史努比）、Winnie Pooh（维尼熊）等卡通形象，都可以进行授权收费的文化产品。（ ）

Thetheorythatlanguagewasakindofsongwithoutwordshasbeenknownasthe______theory. A: pooh-pooh B: sing-song C: bow-wow D: yo-he-ho

The“ta-ta”theoryissometimescalledthe______theory. A: musical B: pooh-pooh C: ding-dong D: sing-song