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.
Parallelism - between the two species of a plant or an animals is one difference of others
Synonymous - having someone of a synonymous like reference to runners
Synthetic - relating to or a affect the body to systemic disease
Antithetical - the nature or opposed. Or contrasted like the opposite
its b the word mew creates a sympathetic tone.
The answer is the second one
