Explanation: The sentence in question is "Despite of being tired, she continued working." The correct phrasing should use "despite" without "of," as "despite" is used as a preposition on its own.
Let's analyze the options:
Therefore, the best alternative to improve the sentence is "Despite being tired."
When examining the sentence "Despite of being tired, she continued working," we are looking for the best alternative that maintains proper grammatical structure and meaning. The phrase "Despite of" is incorrect because "despite" already conveys a contrast and does not require the preposition "of." The correct usage is simply "Despite."
Let's analyze the options:
Thus, the best alternative is "Despite being tired" as it corrects the grammatical error and preserves the original meaning of the sentence.