Which one would you choose?

Hi,

This is an example from an English contest.
Which option it the best for you and why?
For me, each answer is correct and matches the sentence.

_I think it is right that parents should be able to pursue particular ideas on what they want their
children to learn. ...................... what is important and cause it to be learnt by every child in the
country - in the process ensuring that many other things, such as a second modern language, are
not taught?
A. With some wise counselling, can't they recognize
B. Isn't it somewhat utopian for headteachers to define
C. Aren't teachers unions incapable of agreeing on
D. Why should politicians and civil servants decide_