Match the following and chose the correct combination
`{:(, "Column I",,ColumnII),(A,"Zeation",1, "flowering hormone"),(B,"Florigen ",2,"synthethic auxin "),(C,IBA,3,"cytokinin"),(D,"NAA",4, "Natural auxin"):}`
A. a - 3, b - 1, c - 4, d - 2
B. a - 4, b - 1, c - 2, d - 3
C. a - 3, b - 4, c - 1, d - 2
D. a - 2, b - 1, c - 4, d - 3
