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".
The correct answer is A. It is his turn to learn the family game, like his father and grandfather did years before him.
Explanation
The previous text talks about dominoes, a traditional game for Javier's family. In the text, his grandfather invites him to learn how to play dominoes and play with him and his father. In the beginning, Javier is not entirely convinced, but later he understands that this tradition is very important for his family, and he realizes that the empty chair was the space that had always been for a new member of the family to learn to play as his father and grandfather. As the author expresses saying "The empty chair beside mi father convinced me to take part". According to the above, the correct answer is A. It is his turn to learn the family game, like his father and grandfather did years before him.