The engraving depicts St. Jerome, a saint and Catholic theologian, sitting at a table reading and writing in a studio accompanied by the usual iconography, namely a lion. It is one of three Meisterstiche (main engravings) together with The Knight, Death and the Devil (1513) and Melancholy I (1514) created at a time when Dürer almost ceased to work in painting or woodcutting to concentrate on calcogravures.
The correct answer is C. Artists competed for the opportunity to build The Gates of Paradise. The one who won and was chosen to do this was Lorenzo Ghiberti. The Gates of Paradise refers to the golden doors on the Baptistery of San Giovanni in Florence, where each panel on the door depicts a scene from the Old Testament.