The biggest problem was that thousands of travelers remained outside because of the floods.
A. sticking
B. stuck
C. to be stuck
D. to have stuck
网友回答
A. sticking
(答案→)B. stuck
C. to be stuck
D. to have stuck
解析：考查非谓语动词。句意：最大的问题是由于洪水，还有许多旅行者仍旧被困在外面。本题中过去分词stuck相当于形容词，作表语，表示被动动作。故选B。