Answer:
B. when you compare movies and television shows , it's important to keep in mind the differences in how the two kinds of entertainment are produced, including differences in budget, shooting schedules, and role of director.
Step-by-step explanation:
A supporting detail in an expository essay is a paragraph which has facts, statements, and any other guide which helps a reader understand the essay better. Their job is to explain/expand on the main detail. They usually answer the question, who, what, where, why?
Therefore, according to the given option, the sentence from an expository essay is most likely a supporting detail is option B.