Select all formally correct sentences with a fronted negative or restrictive adverbial.
Seldom do the ferries run after midnight.✓Правильный ответ
Rarely the laboratory is this quiet.
Never has our branch missed a deadline.✓Правильный ответ
Under no circumstances should the seal be removed.✓Правильный ответ
Объяснение
The correct sentences place an auxiliary or modal before the subject after the fronted expression. The rejected sentence leaves the subject before its auxiliary, so the required inversion is absent.