To do their own stunts, actors need to be good athletes, but they must also be sensible and know their (60)_________.If they were to be hurt, the film would come to a sudden halt.
To do their own stunts, actors need to be good athletes, but they must also be sensible and know their (60)_________.If they were to be hurt, the film would come to a sudden halt.
A. limits
B. ends
C. frontiers
D. borders