After the Shenzhou VI capsule (太空艙 ) touched down, two astronauts succeeded in traveling around the earth, thus again __________ China is a global space power

1. A.
   proving
2. B.
   to prove
3. C.
   to have proved
4. D.
   being proved

After the Shenzhou VI capsule (太空艙 ) touched down, two astronauts succeeded in traveling around the earth, thus again __________ China is a global space power.

A．proving       B．to prove       C．to have proved   D．being proved

After the Shenzhou VI capsule (太空艙 ) touched down, two astronauts succeeded in traveling around the earth, thus again   _________ China is a global space power.
    A. proving      B. to prove     C. to have proved      D. being proved   

After the Shenzhou VI capsule (太空艙 ) touched down, two astronauts succeeded in traveling around the earth, thus again __________ China is a global space power.
A. proving      B. to prove     C. to have proved      D. being proved