Write the next sentence in this paragraph:

How to use a headache diary
Get a diary.
Purchase a journal, notebook, or something similar from an office supply store. If you want, you can also create entry pages on a word processing program and print them off at home.

Select from: A. Keep one inside a binder, if you don't already have one. It's something to write to yourself whenever you are feeling down.. B. Write, " my name is jane jones and i am having a migraine. I will be here to remember what happened the night before the migraine.. C. Then, put the pages together in a binder to use as a diary. Use a diary that is long enough so you can track headaches for 2 to 3 months or more.. D. The point is to record your day-to-day stressors as well as your ideas and feelings regarding your day to day life. Write down your thoughts and feelings as a journal..
C.