Answer:
A.
Step-by-step explanation:
Definitely the goal of any athletes is to win a laurel, so that the energy put into timeless training can be consummated. Therefore the spirit of wining at all cost usually drive most athletes to spike up their systems to achieve their dreams. Most athletes are determined to win to satisfy the sponsor, family and relations. Besides coaches who want their work output to be noticed usually led athletes to spike the systems with steroid . Besides distractions by social levels, and need to meet up with time wasted ,made some athletes to spike systems.
Thus this collective efforts put pressure on the athletes to win at all cost.