The author's primary purpose in telling this story is to ________. ( ) A: make the reader understand some important scientific phenomena B: encourage the reader to learn some useful skills in doing experiments C: describe Prof. Oveges's extraordinary talent in teaching and his won D: discuss some effective teaching methods used by Professor Oveges

_________ made Professor Oveges well-known throughout the country. ( ) A: His teaching skills B: His radio program C: His humor D: His television show