Final answer:
The fact-finding hearing is where parents can offer testimony.
Step-by-step explanation:
The hearing where parents can offer testimony is: c) Fact-finding hearing. In child welfare and legal contexts, a fact-finding hearing is a crucial stage where evidence is presented, and witnesses, including parents, may offer testimony. This hearing aims to determine the facts and circumstances surrounding allegations of abuse or neglect. Parents or guardians are typically given an opportunity to present their perspective, provide evidence, and testify during the fact-finding hearing. The information gathered at this stage helps the court make informed decisions about the child's welfare, potential risks, and the need for interventions or services. It is a key part of the legal process in cases involving child protective services.