The conflict had developed into a stage the two countries were gathering big troops on th

发布时间：2020-08-16 09:48:15

The conflict had developed into a stage      the two countries were gathering big troops on the border.
A. where
B. when
C. which
D. that

网友回答

(答案→)A. where
B. when
C. which
D. that
解析：可联系答.案.网客服索取。
以上问题属网友观点，不代表本站立场，仅供参考！