单项选择题
Adele has released 3 albums--- 19.21.and 25. Why does she “number” all her albums?
A.Her albums were named for how old she was when she wrote them.
B.Her albums were named for her age when the albums were released.
C.Her albums were named for how many songs are there in the album.
D.Her albums were named for how many pitches were used in the album.