His godmother and aunt are strong, maybe emotionally or mentally. It’s reveals that they are able to withstand a lot of judgment or criticism. They don’t back down where they need to face a challenge. The author is trying to say that these women are stronger emotionally.
So, I'm pretty sure A/V stands for Audio-Visual Professionals. And, those are mostly required in like a large event center for managing all the audio-visual stuff.
Examples is the correct answer because the sentence says that they "can be both real and hypothetical". In the answer choices examples best fits because these can be real or hypothetical. Testimonies are always someone's truth. Statistics are also real. Narrations are real as well since they tell a story about someone.