【题目】Bob was trying to ________ that he knew the famous singer who would perform in our city.
A. let outB. lay out
C. figure outD. make out
在线课程【答案】D
【解析】
考查动词短语辨析。句意：鲍勃努力地想证明他认识那位将在我们城市演出的著名歌唱家。 let out放出，发出；lay out铺开，展开；figure out计算出，弄明白；make out努力证明。根据语境，D选项正确。