The client has requested enhanced security measures for the website you are designing. One of the security features they have requested is for the site to time out if users are not active within two minutes. What could you do to ensure accessibility for this feature to all users?
a. Program the website to automatically close the browser after two minutes.
b. Provide an alternative website that does not include this security feature.
c. Implement a sound notification to indicate to users when the time is running out.
d. Use visual prompts to notify users their time is running out.