4 friends, A, B, C, and D, meet up after taking a test. Reading their results, they exclaimed,
A says, "Hah! I'm ranked 32!"
B says, "I'm ranked 63, better than you, A!"
C says, "I ranked 12, I'm the best!"
D says, "Actually, I'm the best, I scored 142."
What are A, B, C and D?
Hint:
They all took the same test, and the way they represent how they did verbally actually matters.
Hint 2:
Only D's train of thought is absolutely "correct". Nobody is being deliberately untruthful or deceitful here.
Hint 3:
D is the only person who interpreted the test score correctly. Think about what kind of test they took!
Note: I'm specifically looking for an answer in the format of:
A is a(n) ______, B is a(n)_____ .....