Not only _______interested in football but ______beginning to show an interest in it.

A．the teacher himself is; all his students are

B．the teacher himself is; are all his students

C．is the teacher himself ; are all his students

D．is the teacher himself; all his students are

有一个词牌名本是汉代诗中语，六朝诗人多以这三个字作为篇名，李白也拟其格而作了两首词。请问这个词牌名叫什么？