Don’t worry！There is still a great chance we can make up for the lost time.
A. which
B. that
C. where
D. when
网友回答
A. which
(答案→)B. that
C. where
D. when
解析：句意：不要担心。我们还有机会来弥补失去的时间.结合语境可知下文we can make up for the lost time为同位语从句,引导词在句子中不承担句子成分,只起连接作用,故选B.