Only after I finished reading this essay did it dawn on me that the whole story about grebe’s diet was not a ________ of her imagination.
句意：读完这篇文章我才恍然大悟，鸊鷉的饮食的故事不是她凭空想象出来的。figment虚构的 事。fantasy幻想。fabrication捏造。figure人物，数字。因此答案选A。