If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept_______________?
A. 4.5 m
B. 4.0 m
C. 3.5 m
D. 3.0 m
A. 4.5 m
B. 4.0 m
C. 3.5 m
D. 3.0 m