What is the story focused on?
Answer:
C
Explanation:
if your an athlete walking up a hill should be the least of your problems, especially if your in the Olympics, there is only worse to come.
Answer:
Have never
Explanation:
Have never sounds the best to me, but haven't sounds okay too. I would go with have never.
Answer:
CER is the generation and synthesis of evidence that compares the benefits and harms of alternative methods to prevent, diagnose, treat and monitor a clinical condition, or to improve the delivery of care.
Brainlist pls!