Which of russell’s proposed categories do you consider the most useful for gaining new understanding about these stories

Horror Genre.

Explanation:

Sharon A. Russell, the author of "What Is the Horror Genre?" gives a literary criticism on this category.

She gave a different perspective of gaining understanding in horror related stories different from the conventional ones.  She stated that though monsters are a significant feature of many horror stories, but reiterates that there are other more effective ways to explain and give a better understanding of what the horror genre is.

answer: b) bubbling its way

explanation: an adjective is a word or a group of words that modifies a noun (name, thing, place,

in this case, the first option "to heartily enjoy" isn't describing or modifying any noun, the third option "hiking along merrily" is describing an action but it doesn't modify any noun, the last option "beside us" is just a preposition that indicates position, so the correct answer is the second one: "bubbling its way" because it is modifying the noun "stream".