13: The answer is C as books that aren't borrowed don't show up
15: The answer is A because both programs will print 10 values
20: The answer is A because the average is 10 not 100
21: The answer is B because of a miscalculation
32: The answer is D because it divides by the number of scores not the relevant scores
33: The answer is A because the highest score isn't recorded
39: The answer is C because the sum isn't saved at the right time
42: The answer is D because of a miscalculation
47: The answer is C for if it's in unsorted order it won't work
50: All of them are reasonable because they all are reasonable
67: Spruce isn't in the list so it works propperly
Overall I think I did alright, just some misunderstandings but otherwise I believe I will do good on the exam.
I learned and reflected on my understanding and all I need to improve on is understanding structure and internet security.