In a certain language, digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 are written as a, b, c, d, e, f, g, h, i, j and 10 is written as ba, then dc $$\times$$ f - (bf - d) $$\times$$ d = ______________ ?

A

abb

B

abe

C

bce

D

bcf