I also noticed this little discrepancy which may account for some of the issues...
This is a pic of what Kaplan's online portal says the answers are:
This is what the PDF under Explanations for AAMC tests says (I had to renumber the numbers because they disagreed
This it what is says when they have the wrong numbering, just so if other people look at it they do not get confused... (actually, the portal has the wrong numbering, but these were easier to type over)
The circled number have discrepancy in answers. There may be more that do not agree, but those 4 just stood out. AAMC agrees with the PDF and not the Kaplan portal so I would think that the AAMC score is correct and Kaplan just screwed the pooch on this one (and others).