Which of the Following Best Represents the Order in Which

Which of the following best represents the order in which each part of the reflex arc responds during the common knee-strike performed by doctors to test a monosynaptic spinal reflex.

A) Patellar tendon, quadricep muscle, α nerve fiber.
B) Patellar tendon, α nerve fiber, quadriceps muscle.
C) Quadricep muscle, α nerve fiber, patellar tendon.
D) Quadricep muscle, patellar tendon, α nerve fiber.