Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he the hole along the side of the ship which had caused it to fill with water and sink.
A. could find
B. managed finding
C. succeeded to find
D. was able to find
网友回答
A. could find
B. managed finding
C. succeeded to find
(答案→)D. was able to find
解析：本题考查动词用法。句中was able to表示成功做某事，其它选择项搭配错误。manage 应当与to do搭配；succeed与in doing搭配，故选D。