C, the antagonist. Unless you're talking about the anime Kill Me Baby. Then it's D, a minor character. But otherwise, don't mind that last sentence, The answer is C.
I think mess but I’m not sure
<span>A. He lists his personal involvement in climate change work.</span>
Answer:
C. Anthony's headache vexed him all morning, so he decided to take a break from writing his research paper.
Explanation:
The correct answer is Option C.
This is true because looking at the meaning of vex, one will discover that it means to cause perplexity and to bring distress or suffering
This means that Anthony's headache caused him distress which made him to have a break from writing his research paper.