Guidance can be considered as a multitude of behaviors that parents exhibit towards their children. Parents often guide their children in different aspects of life which enables the children to grow up more successfully into healthy and responsible adults.
An example is when the child needs guidance on deciding which school he should chose and his parents tell him what school he should chose in the end.
The correct answer to your question is B. this is because yeast and bacteria are two of the main needed components to convert carbohydrates into alcohol. this is also referred to as fermentation. let me know if you have any other questions :)