Programs frequently used by robots can be set as main programs, and each robot can set ( ) main programs.
A.3 pcs
B.5 pcs
C.1 pcs
E. No Restrictions
The correct answer is: CAnalysis: The program frequently used by the robot can be set as the main program, and each robot can set 1 main program. Therefore, the answer is C, which is 1 main program.