问题

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

A:whether
B:the the
C:the a
D:a the
正确答案是: