题目

阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。 My husband and I were paying a visit my parents in Tucson. We went to a fast-food restaurant for dinner together. My husband went to the counter (order) dishes and I stood with my parents. My dad is 90 years old. He can hardly see very well and walks with a stick. I was scanning the restaurant, (wait) to sit at the first table that was (convenient) than others. A woman who was sitting with her son made eye contact with me and asked me to come to her. With a (puzzle) look on my face,— How much do you know about the 3D film technology? — A little．Not until ______ the hot movie Avatar ______ some about it． A．did I see; did I begin to learn                    B．I saw; I began to learn C．I saw; did I begin to learn                          D．did I see; I began to learn