C it resolves the main conflict of the story
The answer is in the screenshot. I hope this helps :)
The great feeling in summer is absolutely immeasurable, the gleaming light from the sun right on my glasses(sight), the calm ringing sound of the birds singing a melody in my ear.(sound)
Ah, the juicy cherries and watermelons(taste)
I just love the aromatic smell of the flowers blooming in the bright sun.
With moss and the trees bark to touch how sweet summer is.
IF THIS HELPED PLEASE GIVE ME A 5 STAR AND A HEART THIS IS IN MY OWN WORDS CHANGE IT TO YOURS IF YOU WANT TO.
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.