It was raining heavily and little Mary felt cold, so she stood______to her mother.
【正确答案】 A
【答案解析】close：靠近的，亲近的，stand close to为固定搭配，意为“与……站得近”；closely：(关系等)紧密地；closed：封闭的；closing：结束的。根据句意和搭配可知，选A。