In the given triangle, CD is the bisector of $$\angle$$ BCA. CD = DA. If $$\angle BDC = 76^{\circ}$$, what is the degree measure of $$\angle$$ CBD?

A

$$32^{\circ}$$

B

$$76^{\circ}$$

C

$$80^{\circ}$$

D

$$66^{\circ}$$