B C and D are all good answers but most likely it would be D because the writer of a diary isn’t expecting to have their work published.
Laughter enhances your intake of oxygen-rich air, stimulates your heart, lungs and muscles, and increases the endorphins that are released by your brain. Activate and relieve your stress response.
It will be the second one I did that last year
I believe it is a run-on sentence but i am not certain
