Answer:
Third choice.
The right correspondence is
![\angle CDB \cong \angle ECD](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zxnkfou3gw0sb43t19m0186ei6zxv0vdjn.png)
Explanation:
The third choice is not true, that is
NOT corresponds to
![\angle ECD](https://img.qammunity.org/2020/formulas/mathematics/middle-school/vlu1lnpw9y6ng5ckir9hc7nsc3ht91asuh.png)
If
, then corresponding sides are proportional, and corresponding angles are congruent. The corresponding angle of
is
![\angle CDB \cong \angle ECD](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zxnkfou3gw0sb43t19m0186ei6zxv0vdjn.png)
Therefore, the third option shows a wrong correspondence, that's the right choice in this case, because it doesn't express a valid correspondence.