TOEFL Reading: ETS-TOEFL阅读机经 - 6AXB89M5MV5RBY18L$

Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. By copying a daguerreotype portrait onto a woodblock, Winslow Homer was able to create a portrait for publication even though he had never been near the person depicted in the portrait. B. In 1857 the artist Winslow Homer used a daguerreotype portrait, a woodblock likeness of a sea captain from publication in a Boston weekly. C. In 1857 the Boston-based Companion published a likeness of a sea captain even though the sea captain lived far away in California. D. The portraits that were published in the Companion and other weeklies were produced by artists such as Winslow Homer who copied daguerreotype portraits onto woodblocks.