By the standard described in the last paragraph of the passage, which one of the following would be considered authentic? A. an ancient Roman copy of an ancient Greek sculpture B. a painting begun by Renaissance master and finished by his assistants after his death C. a print of a painting signed by the artist who painted the original D. a faithful replica of a ceremonial crown that preserves all the details of and is indistinguishable from the original E. a modern reconstruction of a medieval altarpiece designed to serve its traditional role in a service of worship