It's definitely D.
It's for sure not C. And I've never read the full story, but this passage doesn't indicate a depressing mood of foreshadowing danger. And the vocabulary in the writing doesn't impact the story itself.
Answer;
Acne
Explanation;
Foods high in sugar and saturated fats such as white bread, candy, fried foods, ice cream, sodas, and anything else with a main ingredient of sugar, cause spikes in your body's insulin levels that further exacerbate inflammation.
Increased insulin levels causes an increase in the production of skin oils and contribute to the clogging of follicles, which can worsen skin complexion
