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：句意：在四月，成千上万到外地度假的人由于火山灰云的影响仍然停留在国外。remain stuck被困住；remain to be stuck将要被困住；根据句意故选B。