Answer:
17. A
18. A.
19. C.
Explanation:
(correct me if I'm wrong)
The passage saying the earth is round is Isaiah 40:22:
He sits enthroned above the circle of the earth, and its people are like grasshoppers. He stretches out the heavens like a canopy, and spreads them out like a tent to live in.
I think you should read it yourself