单选题 However, if a contractor is working in your home, you don't need to tell them that there are cameras watching.Then again,the air of accountability that the camera generates can also work in contractors'favor."If anything does go wrong while they're in the house, they don't want to be blamed for it, "she says."In fact, the camera could be the thing that proves that they didn't steal the $20, or knock the vase off the table." Question:In what way can the home security camera benefit visitors to your home