Answer: jumpy and gullible
Explanation: In "The Open Window" by Saki, the characteristics that best describe Framton are jumpy and gullible. While waiting for Mrs. Sappleton, Framton is told by her niece Vera that there has been a tragedy three years before and that Mrs. Sappleton's husband and two of her brothers went for hunting and never came back. When Mrs. Sappleton comes and explains that the window is open because she is waiting for her husband and her brothers, Framton begins to feel uneasy. She continues to talk about their next return, frightening Framton even more. When they eventually arrive Framton takes his things and leaves.
