For what angle D is $$\triangle$$ ABC congruent to $$\triangle$$ DEF, given AC = 2.5 cm, BC = 5 cm, $$\angle C = 75^{\circ}$$, DE = 2.5 cm and DF = 5 cm?

A

$$75^{\circ}$$

B

$$25^{\circ}$$

C

$$35^{\circ}$$

D

$$90^{\circ}$$