It is False.
Hoped it helped
Under is a preposition.
Prepositions are words that indicate location. It tells the location of the subject or object.
Prepositions not only show the actual location of a place but also the location in time.
Some prepositions of an actual location are: in, on, under, above, behind, beside, etc.
Some prepositions of a location in time are: before midnight, after the exams, during winter....
I believe the answer is D. By silver reeds in a silver stream. I think this because of the initial rhyming consonant sounds. Not 100% positive though