Question: Deficiency of which of the following vitamins results in megaloblastic anaemia?

A: Folate
B: Niacin
C: Riboflavin
D: Vitamin B6
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Write exactly 3 paragraphs each separated with two new lines answering this question. The first paragraph must start with "police".
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