Superimposed big eyed dressed too formally
D. Dad
In this sentence, dad is being used as a name or proper noun. It needs to be capitalized.
Answer:
An antibiotic
Explanation:
As shown in the passage, it states that azithromycin is a drug. An antibiotic is a type of drug so the answer is an antibiotic. The passage didn't state that azithromycin is a disease or a lab procedure or a blood infection, but a drug.