问一道单选 不解ing~After a 68-hour flight in the Shenzhou spaceship
问一道单选 不解ing~
After a 68-hour flight in the Shenzhou spaceship,three astronauts Zhai Zhigang,Liu Boming,and Jing Haipeng returned to the Earth ____.
A.safely and soundly B.safe and sound
C.safely and sound D.safe and soundless