Question: Had she run upstairs again?
She's not upstairs, is she?

Answer: no

Question: The grace of its overall form is best viewed from across the canal, because, like St. Peter's in Rome, the dome disappears at closer quarters behind its elongated nave.
The elongated nave of St. Peter's obscures the dome.

Answer: yes

Question: and no reason to be
Every reason to be.

Answer:
no