A:the match was over; they were
B:was the match over; were they
C:was the match over; they were
D:the match was over; were they
降落伞能缓慢下降的原因是____。
“自己竟然像襁褓中的婴儿,面对外面的世界无所适从。”这是一位刚刚踏入大学校门的学生第一次独立面对生活时发出的感叹。它启示我们( )