I believe the answer is C
Antonym for earlier:later, or next.
Answer: but, however, in spite of, on the other hand, nevertheless, nonetheless, in contrast, on the contrary, still, yet AND first, second, third, next, then, finally
Explanation: These are some good transition words to put with your sentences. If your writing about a topic with 3 points, you can start the paragraph off with "first, second", ect. If your wanting to transition into something different, then use some words such as "but, however, in contrary", ect. It all depends on what your writing about and what type of essay your writing so make sure you use them appropriately.
Answer:
It prepares readers to look for new vocabulary as they read.
Explanation:
Including a vocabulary section at the beginning of a text is a useful tool for the readers to identify the key words of the topic and understand them properly before start analyzing the text. If the readers are already aware of the exact meaning of these key works, their analysis will be much more accurate and comprehensive.