I'm going to try my best but, don't yell at me. I believe it's Infinitive hope this helps and tell me what happens.
Answer:
1) Using the serial comma prevents potential ambiguity and
2) Some professors might count off points for not using it, but if you always use it, you'll never be wrong
(B)both have complicated plots with many twists and turns
Answer:
belittle
Explanation:
Both the words disparage and belittle both mean to make someone seem unimportant.
Next, first, then, last, finally, or any year numbers, like 2013.
