Why is it helpful to keep a research diary or log book while you are conducting your project?

(A) To give you something to do in the early stages of your research when nothing is
happening
(B) Because funding councils generally demand to see written evidence that you were
working every day during the period of the research
(C) Because funding councils generally demand to see written evidence that you were
working every day during the period of the research
(D) It can be added to your dissertation to ensure that you reach the required word limit