--David, are you 1istening to me?
--Sorry, Dad. I to make sense of what the reporter said.
A. was trying
B. have tried
C. am trying
D. tried
网友回答
(答案→)A. was trying
B. have tried
C. am trying
D. tried
解析：句意：--大卫，你在听我说吗？--对不起，爸爸，我正试图弄明白记者说的内容。这里根据语境父亲说的时候，他没有在听，指过去正在做的事情，故用过去进行时，故选A。