12. When books are arranged in correct order on the shelves by call number, which of the following call numbers will be first?
A. DA 546 .L74 1986
B. D 839 .G3 1987
C. D 839 .G42 2004
D. DE 82 .A49 2006
i answered A
A. DA 546 .L74 1986
B. D 839 .G3 1987
C. D 839 .G42 2004
D. DE 82 .A49 2006
i answered A