I would lean towards d, because a lot of the viking age art was made in tribute towards viking warriors, and viking warrior ships, etc..
Answer is c. Greek and Roman mythology or literature
My opinion of what a literary detective would search is mostly classic things like Beethoven or something that would interest someone for something that happened long ago.
The photo should be submitted in high resolution as low resolution is not what anyone would want on a magazine. And if the resolution is high, scanning it to the computer to change sizes would not be a problem.
