Answer:
Joshua was sure he would never eat it. Dong Soo explained that, because he was Korean, he ate foods that other kids at school might not. For instance, Koreans would never sit down in front of a television while eating a meal. To Koreans, meals are more than mere nourishment—they are a way to show manners
D. I did not remember that fact until my older sister reminded me.
Among the sentences presented, this is the sentence that contains an adverb clause, "I did not remember that fact until my older sister reminded me." The adverb clause in this sentence is "until my older sister reminded me". An adverb clause is simply a part of the sentence that contains a subject and a verb with a subordinate conjunction. The subordinate conjunction do not allow the clause to have a complete meaning. An adverb clause also answers to the question how, when, where and why. In this case, the adverb clause answers to the question "how".
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