In April，thousands of holidaymakers remained abroad due to the volcanic ash cloud.
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：考察系表结构。Remain是系动词，后面要接形容词构成系表结构。Stuck是stick的过去分词所转换的形容词，故B正确。Remain stuck滞留。