Should You Always Reach a Definite Conclusion at the End

Should you always reach a definite conclusion at the end of your answer?

A) Yes, it is important to reach a firm conclusion on all of the issues raised by the question.
B) No, it is the discussion of the law in the body of the answer that is important.
C) No, it is not always possible to reach a definite conclusion. It may be that the law is not definite on a particular point or that the question provides insufficient information for you to reach a definite conclusion.
D) Yes, you will lose marks if you do not reach a definite conclusion, because this means that you have not understood the law.