题目内容：

China launched Shenzhou-9 manned spacecraft with three astronauts at the Jiuquan Satellite Launch Center in ______ northwest of China at 18:37p.m.June 16, 2012, which was ______ big success and it will fulfill China’s first manned space docking mission.

A．a; a

B．the; the

C．the; a

D．a; the