The treadle bar is provided_____________________?

A. in the middle of the track a little in front of the toes of the tongue rail
B. near and parallel to inner side of one of the rails
C. at right angle to the rail
D. near and parallel to inner side of both the rails

The treadle bar is provided_____________________?

A. in the middle of the track a little in front of the toes of the tongue rail
B. near and parallel to inner side of one of the rails
C. at right angle to the rail
D. near and parallel to inner side of both the rails