Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to tell if your house is haunted [title] Look out for shadows and figures. [step] If you've ever seen anything seemingly inexplicable in your home, this can be a sign of a haunting. You may see things like dark shadows in the corner of your eye or even shadowy figures that resemble people or animals. <sep> (A) However, if you're unsure of what you might be seeing or what your normal view of the room might be like, try to avoid being in an area that appears to be haunted. If shadows and figures appear out of nowhere, those may be remnants of ghosts that have haunt you. (B) [substeps] Remember, however, that your peripheral vision is not always reliable. If you think you see a spirit out of the corner of your eye, you may be seeing a trick of the light. (C) Watch for bizarre or unexplained shadows or figures. As such, pay attention to the following : [substeps] Unusual or brooding shadows that are not visible to the naked eye. (D) These could be signs of a ghost, however, and it may also be caused by other living people in your house and places where they usually spend time. [substeps] Remember that any person you encounter, even someone from outside the house, can be translucent to the naked eye.

B