Answer:
There are many people who say that they don't dream
Explanation:
This statement literally contradicts the entirety of the 3 sections.
At Jundi Shapur the best scholars west of China all gathered to think and study together. By the 600s, the doctors at the school were writing about a medicine from India named sharkara or, as the Persians called it, shaker—sugar. Indeed, scholars at Jundi Shapur invented new and better ways to refine cane into sugar.
It's definitely not C or D.
I think it's A, but B could also be possible.
I'd check over it if I were you :)
The third sentence. An abstract noun is a noun you can’t physically see or touch (examples of this are usually emotions like love, hate, excitement, etc). In the third sentence, opinion is a noun. You cannot see or touch an opinion.
We may be taller, We may also merge with machines that can enhance our hearing, eyesight, health, etc. and we may be moved to Mars