C because he said "it had been a long time since he had a real asthma attack" in the 1st one.
If C isn't the answer then it's probably D because he said in the 1st paragraph that he wanted to make sure it was there in the 1st sentence.
<span>Well underlying message technically just means the "theme" of the story. So basically when you read this story ask yourself this: "What does the author want me to thing or feel while i read this?" And whatever your answer is to that is the theme.</span>
Answer : A
Your Answer needs to be 20 letters long
digestive system is the answer.
hope it helps