What Instruction Would You Provide to Your Team Immediately After

What instruction would you provide to your team immediately after securing a patient with head, neck, and back pain to the long backboard?

A) "Loosen the collar so you can palpate the back of the neck."
B) "Maintain manual in-line spinal stabilization until he is on the stretcher."
C) "Check for pedal pulses before we move him to the stretcher."
D) "Remove the chest strap so he can breathe easier now that his head and legs are secured."