Which of these is a good example of newton's first law of inertia

Its is A

Explanation:

Which of these is a good example of Newton's First Law of inertia  

A)  

a ball sits motionless on the ground  

B)  

a ball gathers speed as it rolls downhill  

C)  

a ball accelerates as it falls out of the classroom window  

D)  

a ball slows down after it is kicked through the grass

e) none of the above answers are correct

i believe it is b. what was the cause of the big bang

hope this !