单选题 With______formal art training and largely self-educated, Anna Mary Moses, known as Grandma Moses, began to paint rural scenes at the age of seventy-eight.
【正确答案】 B
【答案解析】解析：句意：没有接受过正式的艺术培训并且主要靠自学，被称为“摩西奶奶”的Anna MaryMoses 78岁才开始画乡村风光。with+no修饰名词training，意为“没有受过培训”。