Two mirrors are placed right angles (直角) to each other, and a clock is put in front of the mirror like the

picture. The clock is placed facing the mirror like the picture. A person standing in front of the other mirror

will see the time is ______.

[ ]

A. 2:35　　　　

B. 9:25　　　　

C. 1l:20　　　　

D. 5:50

完成“直背起桥”时，保持（）挺直向上提起。