Answer:
B.Chapter
Step-by-step explanation:
Context clues is a technique used by many writers, which is to use words or phrases that show the meaning of an unfamiliar or difficult word to some readers. With context spots, the reader can understand the meaning of a word through the context of the sentence or another word that can be a synonym, an antonym, or an example. In the case of the above question, the context clue that helps to understand the meaning of the word "episode" is the word "chapter" which in addition to being a context clue, is a synonym.