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 keep your children and teens safe online [title] Place computers with internet access in a central location in the home. [step] When computers are in a central location, they can be easily monitored, but if placed in private places such as bedrooms, children can quickly close inappropriate websites when they hear their parents coming. [title] Get rid of the webcam. <sep> (A) [step] It might seem like a last resort because it will easily block access to your online box. It might also cause your child to constantly check out your internet identity and send unwanted notifications. (B) [step] Make sure all the webcam knobs are securely locked. [title] Disable video and picture uploads. (C) [step] Webcams can be a great way to communicate with your friends and family, but leaving a teen unsupervised with a webcam can lead to your child's strip show debut. [title] Decide what online activities are age appropriate. (D) [step] If a webcam is easily accessed in your home, don't allow your children and teens to use it. Inappropriate viewing may result in your children being caught.
C