The _____ person in the street is a lot better than they were forty years ago.

[      ]

A. normal

B. average

C. regular

D. usual

下列作品中属于乐府旧题诗的是（）。

A.《关山月》

B.《炉中煤》

C.《杜陵叟》

D.《泊秦淮》