In the context of this essay, it would be "<span>4. Tan's mother does not speak standard English, but she is able to convey the ideas behind her words" that</span> best describes the meaning of this statement.
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.