Answer: Glucose is the body’s main source of energy and the main sugar that the body makes from food.
It's very common in early pregnancy for any symptoms to fluctuate from one day to the next. One day you might feel completely exhausted, only to feel fresh and re-energised the following day.
(Hope this helps!)
D. because you could perform a ritual if you lost someone to make yourself feel better, and you can talk it out with other family and friends who know where you are coming from.