While rushing to answer the door yesterday , I slammed my noggin into the edge of a bookcase . It sounded like a gunshot to me , and V said it was pretty loud from the other room . There was n't much bleeding , and there 's only been a little swelling .

Question: What injury is the narrator likely to suffer in lieu of these events ?
Answer: They are likely to have a concussion .They are likely to have a broken leg .They are likely to have a broken ankle .They are likely to have a broken arm .