A. The gallery displays two oil portraits that belong to the Venetian school of painting; the subjects of the paintings remain unknown.
The correct answer would be ensuring safety as first step.
Safety should always be the first consideration when in a crime scene, before taking any evidence, or any photos.
Once there's confirmation regarding safety of the area, they can proceed with the other protocols.
Affleck is using pathos by creating a sense of sympathy and compassion within the audience because he mentions how he saw the children who were “mangled” and “disfigured” due to polio. These are emotional words which make the audience for receptive of his message.
Affleck also utilizes ethos by sharing his own experiences which establishes credibility with the audience and this is because Affleck uses his own experience of seeing the children affected by polio first hand to allow the readers to trust that he is aware and has insight on the situation.