Answer:
C. Photographs could be staged by the Photographer.
Explanation:
Some might consider Document A less credible than another type of source because it is very possible that photographs could be staged by the photographer.
Credible sources are usually unbiased and backed up with evidence. Photographs can be credible but yet easy manipulated. That is the reason why some will see it as less credible. With this age of technology, photographs can be staged, photoshopped or manipulated. This will result to it being unreliable.
