I think it's explanation since the text shows comparison which isn't direct, ni similar words are present, ruling out synonyms and examples aren't present in the text.
One is a male and the other is a female.
The main idea is usually the one that stands out when scanning a material. Answer for 1 is A. For 2, in all dictionaries, the definition of the words is included as it is its main purpose. In 3, the main theme of the excerpt is the soldier's return to his hometown. Answer is B. For 4, the central idea is <span>C. Channing is hoping all of his years of service will result in a promotion. For 5, the antonym of delicate is C.robust. Finally, for 6, the answer is D. </span>
