This painting is believed _ painted by Leonardo Da Vinci a) that it is b) to be c) being d) to have been.
Предложение: This painting is believed to have been painted by Leonardo Da Vinci. Перевод: Предполагается, что эта картина была написана Леонардо да Винчи. Ответ: d) to have been Удачи в учёбе!