B) I think sorry if wrong I tried
A scientific theory is when a theory is tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed up with evidence. A hypothesis is only a suggested outcome and it's testable and falsifiable.
Hope this is what you wanted ^.^
But I feel like I didn't
Answer:
A) the result of a student survey about favorite foods
Explanation:
B) would be good as a pie chart
C) and D) would be good as a scatter plot