Answer: b. homophones
Explanation: These words sound the same, but do not have the same definitions (therefore, are not synonyms). Furthermore, these words don't have contradictory definitions (or opposite ones). Therefore, they are not antonyms.
You need to have an introduction, topic sentence, and supporting details
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Do you have a question ? Regarding the topic English
B. it conveys the subject of the paragraph.
A topic sentence is the main idea which is the subject of the paragraph.