Good job. Here's another one for you. Again, if you want to see a larger picture of each of the options described, click on the photo to the right. When adjusting the seat forward and backward, you should make sure that a. the knee goes over the toe during the forward part of the cycle stroke. b. the knee does not go over the toe during the forward part of the cycle stroke. c. that with the feet positioned at 3 o'clock and 9 o'clock, a plumb line from the patella intersects the middle of the foot. d. both b and c