<h2>Hey there! </h2>
<h2>I guess the correct answer is:</h2>
<h3>'D' I'm feeling a bit ill. </h3>
<h2>I hope it helps you </h2>
Assuming the author is the speaker is the best option. Also, reading the peom out loud is another strategy.
Most likely c. but it could also be b but i would say c