Possibly the answer could be: reliant on, or addicted to
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).
Question 50. 27 ( single choice)
Question 51. less illness and disease
Question 52.It's calculated as a function of one's age
Question53.
Question 54.
Question 55.
ANSWER: D (( ALL OF THE ABOVE))