(A) 2
(B) 3
(C) 4
(D) 5
The answer is: (C) 4
The four countries who have successfully landed a robot on the surface of the Moon are: China, India, Russia and the United States.
(A) 2
(B) 3
(C) 4
(D) 5
The answer is: (C) 4
The four countries who have successfully landed a robot on the surface of the Moon are: China, India, Russia and the United States.