Answer:C
Explanation: I passed the test
Ummm i'm not sure about the question because you didn't give a story. Sorry I know this isn't an answer
its actual c . a is totally wrong
It's ....A ...because as should have been used, meaning which. I will refuse his demands which are outrageous.
But unless has nothing to do with the context provided in.... C ....because until should have fitted here.