The transformation of ∆DEF is described in the table.
∆DEF ∆D'E'F'
D (0, 0) D' (0, 0)
E (4, 7) E' (x, y)
F (5, 8) F' (15, 24)

What are the coordinates of E' that will justify ∆DEF ~ ∆D'E'F'?
A.(1, 4)
B.(7, 10)
C.(8, 14)
D.(12, 21)