— Tony, are you listening to me?
—Sorry, Sir. I to figure out what you said just now.
A. was trying
B. have tried
C. tried
D. had tried
网友回答
(答案→)A. was trying
B. have tried
C. tried
D. had tried
解析：考查时态，根据just now可知，该动作发生在过去，排除BD。根据句意可知，选择A，句意为，----托尼，你在听我说话吗？---对不起，先生，我刚才正在努力弄明白你刚才说的。
表示动作正在发生