PRO gress,,PRE conceived, PRE cede, POST mortem(?), POST script, PRE amble ... perhaps ?
You did not provide the excerpt, however, imagery is using words to create images by describing every aspect of some entity. A metaphor is a type of figurative language that compares one thing to another, such as calling a man a lion because of his bravery. You can use this logic to find the correct answer in your excerpt.
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