Use angle ABD shown below to answer the question that follows:
Which of the following is a step towards proving the similarity of triangles ABC and DBA?
![Use angle ABD shown below to answer the question that follows Which of the following is a step towards proving the similarity of triangles ABC and DBA class=](https://us-static.z-dn.net/files/d6e/ce467746026f9ee4336ff86c4b58e26d.png)