20. 依單據產生時間的先後順序，下列何者正確？
(A)S/O→M/R→B/L→D/O
(B)M/R→S/O→B/L→D/O
(C)S/O→B/L→M/R→D/O
(D)B/L→S/O→M/R→D/O

其他試題