Fortunately, what the witness reported to the police on the phone led to .
A. the suspect's being captured
B. capture the suspect
C. the suspect having captured
D. be captured by the suspect
网友回答
(答案→)A. the suspect's being captured
B. capture the suspect
C. the suspect having captured
D. be captured by the suspect
解析：首先，分析句子结构可知what引导的从句作句子主语，谓语动词led to，因此缺少宾语，不缺少谓语动词，而B、D结构都只能作谓语，首先排除；此外由于嫌疑犯（suspect）与动词capture是被动关系，因此选择表被动的非谓语动词结构A