Active listening is an important part of communication because you can improve your ability to influence, negotiate, and persuade, as well as improving your productivity. You'll also be able to avoid conflict and misunderstandings. Five elements of active listening is paying attention, showing that you're listening, provide feedback, defer judgement, and respond appropriately.
I would best go with choice C) visualization because agility is related to speed and acceleration, and yes you can have strength with agility and u need coordination to be balanced and stay in place as if you were jogging, and visualization means to create or make mental pictures inside your head and that really doesn't go along with agility so that's why its C).
Answer:
A. neck
cervical spine is the spine in the neck