Answer:
Pandemic: prevalent over a whole country or the world.
Explanation:
The answer is their. Their is when something belongs to them.
They're: They are
There: Over THERE
Their: belongs to someone
Answer is D
A. would be the one that would best fit it, because the definition of defiance is open resistance, or bold disobedience. Asking someone to stop isn't open resistance, so A would fit this.