1.It's A because 'as' should have been used, meaning 'which'. 'I will refuse his demands which are outrageous '.
2.But' unless' has nothing to do with the context provided in C because 'until' should have fitted here.
Answer:
A. "paving the way"
Explanation:
It is saying basically you're setting it up you're not actually paving something with tar/asphalt
