单项选择题
A.Very few were produced. B.Most were kept only a short time. C.Most were printed on delicate paper. D.Many have been acquired by collectors.
A.How artists gained fame. B.A schedule of art exhibits. C.One form of folk art. D.The preservation of old paintings,
A.To let many people see their works. B.To earn money from the sale of calendars. C.To portray the cruelty of hunting. D.To create gifts for people who bought their paintings.