Licensing requirements ensure minimum

Question

A. space.
B. children.
C. requirements.
D. standards.
My answer is C

Answer 1

I think there's a better answer.

Answer 2

I think is D, Thank you for your help.

Answer 3

Yes. D is best.

You are welcome.

Answer 4

I agree with mrs.sue d is the best answer.

Answer 5

Thanks :)