Which line from Samuel Taylor Coleridge’s “Kubla Khan” marks the point

at which the dream it describes becomes nightmarish?
(1 point)
“Where Alph, the sacred river, ran…”
“…Enfolding sunny spots of greenery.”
“A savage place! as holy and enchanted…”
“…Where blossomed many an incense-bearing tree…”

“A savage place! as holy and enchanted…”