Answer:
He is fascinated by the invention.
Explanation:
The way he describes it (A small torrent of water gushed into the bowl, swirling and disappearing down the drain with a deep, sonorous gargle) shows his fascination with this bathroom fixture. To the boy it was, indeed, a fascinating invention because the place he had lived in before had no running water or sewage system.
Hope this helps!
It is a compound sentence
I believe the answer is A. ABAB
