In a quadrilateral ABCD, the diagonals intersect at point T. Side AB is parallel and congruent to side DC.
Based on the given conditions, which statement is presented first to show that segment DT is equal to segment TB?
A: Angle CDB and angle CBD are congruent.
B: Segment DT is congruent to segment CT.
C: Segment AT is congruent to Segment BT.
D: Angle CDB and angle ABD are congruent.

Question

In a quadrilateral ABCD, the diagonals intersect at point T. Side AB is parallel and congruent to side DC. 
Based on the given conditions, which statement is presented first to show that segment DT is equal to segment TB? 
A: Angle CDB and angle CBD are congruent. 
B: Segment DT is congruent to segment CT. 
C: Segment AT is congruent to Segment BT. 
D: Angle CDB and angle ABD are congruent.